All language subtitles for Girls High School Mystery Class S03E07

(All characters, places, incidents
and organizations are fictional)

(Any resemblance to actual persons
or events is purely coincidental)

(They found a shocking clue)

I knew that
Cha Suyeol is like this.

(Texts sent by Cha Suyeol
to Money Source)

(In the sound file,)

(there is someone's scream
and Seulbi's sob)

He sent this to Money Source.

(Cha Suyeol was getting money
as well)

(They found a box
in the pine forest)

(It is empty)

(Someone is trying to hide
the truth?)

Yujeong must have received it.

(The one who dug the secret
is Kim Yujeong?)

(The mystery gets bigger)

(The truth is getting lost)

(Finally, the record room
in Munbanggu is open)

Girls.

(In the record room, they found
out about Haedeuribnida)

The clubroom is located in
the basement of the dorm.

(Finally, they enter
the abandoned dorm)

(They found an old camcorder
on a table?)

(There is an old tape in it)

We are a volunteering club who is
willing to help you with anything.

They want us to do that for free?

(This club slowly becomes
more materialistic)

They are still doing it while
becoming more materialistic.

One of them is Kim Yujeong
but which is she?

There is a student ID
on the floor?

(A student's ID is in
the machine room)

(They barely get the student ID)

- Yoon Semi!
- Yoon Semi?

(What is Semi's student ID
doing here?)

- Semi.
- Where did she go?

Let's go back for now.

We got Semi's student ID...

We...

Someone is here!

What is happening?

Hold on.

Who are you?

- It's Mr. Suyeol!
- Mr. Suyeol!

Are you okay?

- We are the Mist Club.
- Mr. Suyeol!

He was hit.

There's someone here!

What? What did you say?

What?

Are you okay?

Girls.

It's you.

Yes.

- Do you remember me?
- Yes, we do.

I am Mr. Suyeol.

You know me, right?

Can you please open this door?

We can't open it either.

It's locked but what happened?

Girls.

Don't joke around.

Try to open it slowly.

What happened there?

Please open the door.

Are you locked in there?

Don't mess around!

(Shocked)

Whatever you are called,
I helped you

when you were investigating
things uselessly!

He is crazy.

Don't open the door.

This won't do.

We will help you.

We will figure out a way
to free you.

So please tell us what happened.

I'm running out of time.
Open the door now.

(They don't seem to be able
to communicate)

Hold on. Please wait.

(Let's run away)

I will pay you.

What do you need?

I'll pay you, darn it!

Let's go, girls.

He has gone mad.

(Clanking)

What is that?

(There's someone else)

(They turn off their flashlight)

You are still alive?

I'm sorry.

Please let me go. Forgive me.

(Mr. Suyeol is being assaulted
by an unidentified assailant)

What is happening?

What is this?

They went that way?

They are dragging him over there.

(The mystery club follows
the unknown assailants)

Let's go up there.

Let's go to the second floor.

(We need to take pictures
of the evidence)

- I think we should go out.
- Let's go out this way.

(Mr. Suyeol is dragged into
a black vehicle)

(Over there)

(Even on the other side)

(there are more people)

What is this? What are they doing?

The box!

(The unknown assailants
are moving something)

(What are they moving?)

(Flinching)

Don't move.
This is a sensor light.

(Moving cautiously)

Let's go in here.

(They move away
when nobody is there)

We can see clearly from here.

(Observing)

(Looks like they are done
with their task)

Let's go.

Good job.

(They lock the door
and head back to the vehicle)

(They took Mr. Suyeol)

(and head out after leaving
something behind)

They went down there.
To the basement.

(The unknown assailants
left something behind)

There were many boxes that looked
like medicine in their trunk.

The abandoned dorm is linked
to the current dorm.

They locked the door after
leaving something behind.

There is a space under the
overpass that we don't know of.

Let's go to the cafeteria.

They brought a cart in

but there was no cart
when they went out.

(Looks like the unknown assailants
left something)

Cafeteria?

(There is something
in the cafeteria?

Mr. Suyeol seems to have
gone crazy.

Did you hear him swear at us?

I did.

But I was swearing too.

He is crazy.

I told you that he is crazy.

He was screaming at us
to let him out.

I'm Mr. Suyeol.

He looked mad when he said that.

When I looked at his eyes
from up-close, he looked crazy.

Anyway...

(Smirking)

I told you I know
who the bad teachers are.

This is scary.

(They open the door
to the cafeteria)

(Struggling)

It is not locked.

I can open it.

(It is dark in the cafeteria)

They left something here.

Why am I so scared?

(They search for a door that
connects with outside)

(Then they found a steel door)

(Jaejae tries to open the door)

(It is locked)

Kitchen?

Pantry? I don't think so.

They kept boxes in here.

I don't see any of them.

There's nothing here
but a drinking fountain.

We opened all the cabinets
and fridge

but found nothing suspicious.

This is not like any other
cafeteria that we know.

There is a secret area in here.

(They check the walls)

(There is a long crack
on the white wall)

(This all looks suspicious)

How can we open this?

Wait. Do we use this to open it?

(A terminal in front of the wall
catches their eyes)

(They tap it using their ID)

(Not recognized)

(What about Doyoun's ID?

Yours doesn't work either, right?

I thought it would work as I
am cursed but it didn't.

- Hey.
- What?

Semi's ID. Let's use hers.

(Semi's student ID that they found
at the machine room)

(Fail)

What about Mina's?

(What about Mina's student ID?)

(Fail)

(At a loss)

Neither Semi nor Mina's card
could open it.

We were a bit confused...

Is this a machine that reads
faces?

Is this a machine that reads
faces?

We kept on seeing the box that
recognizes faces.

Is it for our face?

(They show Semi's picture
from her student ID)

(Face recognized)

(Semi's picture is recognized)

- What did you use?
- Semi's face.

(Recognition success: Yoon Semi)

What did you use?

(The secret door is open)

(A hidden space
in the cafeteria)

(They cautiously enter)

(They pass by a narrow corridor)

What is this?

This is the place for admins
to enter.

(Clank)

(The secret door is shut again)

This place is weird too.

(In shock)

(Secret laboratory)

I don't think this kind of space
should exist in schools.

This looks like a lab where
clinical tests are done.

There is a bed usually seen
at a place that traffics organs.

I thought that this place might
be related to the part-time job.

Aren't these what they carried
in here?

Yes. These are the boxes.

Open it?

Here I go.

(They find the courage
to open the box)

(Empty box)

(What is in the box?)

Are they doing illegal
organ trafficking?

(What do they do here?)

(BIBI is looking
at something closely)

Look at this.

Clinical trial?

Hwang Mina. This is about Mina.

There was complete information
about Mina.

She did a part-time job in
November for a clinical trial.

(Mina did a part-time job
on November 11)

'She exhibited weird actions
after the test like pacing around.

Came back unconscious.'

(Came back unconscious)

(Second trial test on November 13)

'Today at 7PM at the school'.

That was when we saw her
covered in blood.

Why is she staggering like that?

(They saw her walking out
after her part-time job)

She gets $7,000 from doing
one part-time job?

What did she do to earn that much?

That's why
it's something dangerous.

(They start to put the pieces
together about the job)

She is just a girl
who is still very young.

How did she pay that amount
of debt in a short time period?

She must've been told to either
let her body

be experimented on
or to pay the debt.

So it's obvious that she would
agree to it.

(2. Negative side effect)

(She exhibited)

(weird actions like pacing around)

(Showed signs of lethargy
and depression)

(Will be tested on)

(They became speechless due to
the shocking truth)

BTH...

Beauty and health.

They do this so that it can be
tested en masse?

(Large-scale test)

This is the worst.

(Illegal part-time job is done
at a secret space)

- Look at this.
- This is a medical record book.

(There is a file
left on the table)

Waist measurement,
blood pressure...

It is a record on her physical
status like her weight,

height and special reactions.

'Kim Juae. Perfect fit'.

'Yoo Seonwoo. Perfect fit'.

Gong Hyeonju, Kim Taeeun,
Nam Jihye, Ji Eunhee,

Kim Daeeun, Kim Jaeyeong,
Ye Chaehyeon.

Lim Yujin, Jang Yeonjin,
Son Chaewon,

Yeo Sua, Lee Giryun.

They are all from
the investment club.

- The new treasurer.
- Giryun.

Giryun is the new treasurer
after Mina's embezzlement.

(They saw this familiar name
on the club's organization chart)

Jeong Jimin and Kim Minji
are not suitable.

Are these students
being weeded out

just like livestock?

There are many students who
do this part-time job.

They are all the students whom
we found in the file

at the hidden space in
the counseling room.

All of them are debtors.

They all do this job because
they are desperate for money.

(Students who do the part-time job
due to their debt)

What test did they conduct?

This is scary.

This is the worst school.

But what is in the boxes?

Or they might be empty.

(They took the suspicious items
and left empty boxes here?)

Did Mr. Suyeol get captured?

(Cha Suyeol is taken away
by unknown people)

But it's true that Mr. Suyeol
is a bad person.

You saw how crazy he looked
when he was swearing, right?

He looked like a crazy person.

(Clank)

(That is when they heard
the door lock)

(Running)

(They quickly run away)

(But the door is not opening)

Oh my goodness.

(Jeez)

(It is open)

Even the door... Jeez.

(Someone enters with anger)

(Who is that?)

(Be quiet)

(I don't want to see)

(Filming a video)

(They hide by relying on a wall)

He is our club advisor.

Our club advisor.

(Jeez)

(Ki Bongkwon who is in
charge of the Mist Club?)

(The door suddenly opens)

- Come out right now.
- Who is there?

(Someone takes them out)

Who is there?

It's me, Semi.

It was Semi.

Semi suddenly opened the door.

It's me, Semi.

I see. It's you.

Please don't be bothered by me.

(In chaos)

(They quickly exit this place)

Who was it?

I didn't get to see him.

(They didn't see who it was)

That's Semi.

- Semi.
- Girls.

You need to leave now
as you are in danger.

Are you really Semi?

Just get out of here now.

(Semi tells them to leave quickly)

- Go out now.
- What about you, Semi?

(Semi is back in the hall)

She told us to leave
and went back in herself.

The good-faith person who is
facing evil?

(Who is Semi?)

(High School Mystery Club 3)

(Today's mystery club)

(This is the last day in school)

(The opening is special as
they start in the bus)

(Here comes the genius)

Shall I sit here today?

(Intuitive BIBI too)

(Doyoun with the number 18
is here too)

(Here comes the cute girl)

- You look like a doll.
- You look too cute.

Look at her bag.

Hi, girls.

(Jiyoon is here too)

I have this too!

Really?

This looks like you.

I thought that we haven't shown
much cuteness this season.

So you did this in a rush?

So I wanted to look cute.

It's cute.

Shall we organize the information
we have so far?

There was the case related
to Danbi in 2003.

We don't know whether she
committed suicide or was murdered.

But the one we didn't know...

- Yang Yejin.
- There's someone called Yejin.

'She hates beans.

Danbi's hair.'

I think this is not like.
It's love. One-sided love.

She even did research

on Sihyeon's apple allergy
in order to murder her.

The ones that gave Yang Yejin
the keys are

Haedeuribnida.

(Haedeuribnida helped Yejin
do something dangerous)

Can you help me get in?

There were 3 members and
the one with short hair

went crazy after getting
the voucher from VAPS.

You can see it in her eyes.

She does not feel responsible.
She just wants the compensation.

(She lost her integrity and that
caused the death of Danbi)

The reason it becomes a theory
is after Seulbi's case.

She died on the same date,
September 9 but in 2022.

We believe that there might be
a third victim.

That will be Semi.

Shouldn't we save her then?

Semi was the one who saved us
from the locked down school.

Are you sure the last voice
we heard is Mr. Bongkwon?

I don't know. I'm confused.

(A mysterious man's voice in
the secret laboratory)

Our club advisor.

He is our club advisor.

I think it's him.

(Ki Bongkwon)

(The one who entered the lab)

(Their similar voices is what
makes them suspicious)

I was about to peek but then
Semi opened the door.

It's true that Semi told us
to leave

the lab in order to save us.

What if she dies today?

I will save her.

Poor Semi.

So it is almost certain that
the one who

the admin calls Patron K
is Ms. Kim Yujeong.

Ms. Kim Yujeong might not be
Patron K.

The reason we think that
she is Patron K is because

she was looking at
the students' school record.

She also has the old key
that was used by Yang Yejin

and also has
the stalking materials.

However, she might have all those

to know what is happening
as their guardian.

Those are necessary documents
to understand this case.

We understood this case better
because of those materials.

(Who is Ms. Kim Yujeong?)

Last night, I was thinking of this
while lying down.

Who would do this if not
Ms. Yujeong?

- What? While sleeping?
- Yes, that's true.

I was thinking of who
it might be.

There are secret areas
within the school compound.

(A secret lab in the school)

Then it will be Blooming Camp.

(A camp for the students)

Only those selected can join
this camp.

It means they have a boss
up there.

I think this camp was actually
done by one of the three members

from Haedeuribnida.

It is because that is the start
of all this

and she realized that she can make
something big happen in school.

So it was Haedeuribnida back then

but it then grew into the creation
of Munbanggu.

The supporter of that
is The Young Beauty.

She is an alumni
and is still in school too.

She is also a member of
Haedeuribnida.

It means there is a woman whom
we have yet to identify.

How many women have
we met so far?

The principal is suspicious too.

We might say that she is not
the right age.

But what is her set-up?

She looks very young
for her age.

What if she lied about her age?

What if she changed her identity?

What if she pretends to be
someone older?

Or she might have received
something from The Young Beauty.

(Oh)

That is possible.

It's because this is impossible
without a leader.

There is a main power behind this
that we have yet to find.

Jiyoon, before you go to bed,

do you give a briefing?

She already gives briefings
at home before bedtime.

(She does not stop thinking
even back at home)

Apparently she wears a microphone
at home too.

(Communicating)

Let me see. Who is the suspect?

This is very funny.

This is today's mission card.

I'm scared.

Read it using the
grand prize winner's voice.

(Shining)

'Today's notice.

Today is December 26
and is the last day of school.

I knew it.

Reveal the truth about this case
to everybody.'

- Tell everybody?
- We have to do it?

A briefing?

That's a briefing for the whole
school.

I can't do that.

And today is the 26th.

Today is the day of Blooming Camp.

No!

No!

The note on the board is

'We might be able to use
all students in a group'.

I guess they are going to do
something in a group, right?

Are they going to run tests
on the students in a group?

At The Young Beauty.

If we don't reveal it soon
and get things right,

there will be more victims.

I'm scared.

We should always be on our toes.

Let's hold on and not die.

Let's hold on.

(Point)

Our school looks creepy today.

Even the weather is gloomy.

(Their way to school looks
creepy today)

Is today a school day?

Why is it so creepy?

What is with today's weather?

(Gloomy weather as if it is
telling something will happen)

Why is it so quiet?

What is that bus for?

Is that Blooming Camp's bus?

No!

(There is one bus waiting)

We went into school

and saw a bus parked at the gym.

I realized that is the bus that
is used to drive the students

for Blooming Camp.

Why is the atmosphere like this?

- Even the weather is weird.
- This is so scary.

I don't think we can change the
weather so why is it like this?

Isn't this like some
Hollywood project?

Every time something bad happens
to a student, the weather is bad.

It even rained earlier.

(Will something happen today too?)

Is Jongdae here?

I didn't see him.

(Peeking)

He is watching the CCTV.

(They are becoming
more suspicious)

Is Jongdae from the organization
placed here to observe everything?

He might be Extra 1.

(Lee Jongdae: Extra 1?)

I can hear something.

But there are students here.

(Unlike what they worried about,
it is cheerful in the classroom)

- Hello.
- Hello, girls.

(They enter with light hearts)

(Call from
Producer Yong Seungnam?)

Who is calling?

Hello?

- Hi, Jiyoon.
- Yes.

Why is it so hard to get you?

What are you talking about?

You didn't even reply to my text.

I was just busy.

How have you been?

We're fine. Hold on.

Shall we talk outside?

(Running)

(They head to the quiet corridor)

You are in Songhwa, aren't you?

Yes.

I am collecting some information
close to Songhwa.

I called because I thought
of you.

Then, you should buy us
something from the store.

(They are 18 year old girls
who are always hungry)

Okay.

Remember the will from Lim's
best friend that I sent you?

Yes.

I heard that someone found out
about it before me.

That must be Ms. Kim Yujeong.

I know that it is Ms. Yujeong.

We are on the same track as
we heard the same information.

That must have been the reason
she dug near the pine tree.

I think that person is one
of your teachers?

Is it Ms. Kim Yujeong?

I'm not sure about that.

He doesn't know much.

(Producer Yong hears a lot of
things but nothing in detail)

- He heard me.
- You know me, don't you?

I can't talk long since I am
collecting information.

(But you called us)

Do you have time after school?

Yes.

Shall we have steamed buns
and honey ginseng?

We'll call you once we are hungry.
Goodbye.

(Chemistry that can't hide the
fact they are similar in age)

Steamed buns and honey ginseng.

He ended the call after
telling us useless information.

It ended after saying that
he would meet us later.

But I felt somewhat relieved.

Let's say we are in danger,

we have at least one adult who
will be able to save us.

The one who knows about the will
is Ms. Yujeong.

But perhaps it might not be her
either.

She wanted it because she
didn't know how Yejin felt.

Yes, you are right.

She didn't know that Yejin died
as she was feeling guilty.

Our teacher is here.

(Here comes Mr. Sanmun)

- Good morning.
- Hello.

- Good morning.
- I like your greeting today.

You are brimming with
energy today.

(They are back to their seats
as their teacher is here)

(Looking around)

What happened to those who
are not here?

(A few desks are still empty)

Mina.

- Here?
- Tak Sara.

(What about there?)

Semi.

(The final empty desk is Semi)

Mina is not here,

neither are Tak Sara

or Semi. There are
three empty spots.

Semi helped us to escape
before this.

We were worried about her
safety after that incident.

If Semi is alive somewhere,

I want to save her.

(Rummaging)

Have a seat. I have something
to give you.

That is not a test, is it?

There will not be a test
on our last day.

Right?

(The trauma from taking a test
at Saera Girls' High School)

(They had a bitter taste of life
because of a test)

I can't believe this.

Please...

(I hope that it is not a test)

Pass it to the back.

I hate it when they say that.

(A mysterious paper gets passed
to the back)

(Very nervous)

(Thankfully, it is not a test)

Today is our last day of school.

You have gone through so much
throughout the years.

Also, Sara

has transferred
to a different school.

Tak Sara? Why?

- Suddenly?
- She suddenly transferred.

She didn't even say goodbye.

She didn't get to say farewell,
did she?

Those who want to say goodbye
can personally call Sara.

(Sara ended up leaving
Songhwa Girls' High School)

Do you want to see the agenda
for the closing ceremony?

Okay.

I guess we are having a ceremony
at the hall.

The host is Mr. Ki Bongkwon.

There will also be a launching
ceremony for Blooming Camp.

You don't have to worry
about it.

There's another piece of paper,
right?

Yes.

What is written on the paper?

'Information on ambition survey'.

Read the form, fill it out and
pass it to your class president.

I'll see you at the gym later
for the ceremony.

- And Jaejae.
- Yes?

Please come with me.

- Me?
- Yes.

I didn't do anything wrong.

Why just Jaejae? I'm nervous.

- Be careful.
- I'm just filling this out.

(Mr. Sanmun only summons Jaejae)

(Jaejae)

The safest moments for us are

when we all five of us
are together.

Something always happens when
one of us is separated.

That's why I was worried.

However, it's Jaejae who is
always calm even alone.

I wasn't worried at all.

It's because she is smart.

Why did he only call for Jaejae?

I wonder.

Are they starting to separate us?

No.

I'm anxious.

What is the matter?

Let's talk
in the teachers' office.

We must go there?

Why do you look sad?

Did something happen?
Did something happen in school?

I thought something big happened
since I was called alone.

Are they going to test me?

I had that on my mind too.

What is the matter?

(She enters the office
with mixed feelings)

(Sighing)

What is the matter?

(Turtle neck that comes
from curiosity)

Well... You...

(Humble)

There is something that
I would like to ask you.

(What is it?)

Did you...

steal Semi's necklace?

Semi's necklace?

Yoon Semi?
The girl from our class?

I don't know what kind of
necklace she uses.

You don't have a necklace
on you?

Necklace?

No.

- You don't have it?
- No.

First off, I can't lose it.

The fact that they are asking
for the necklace

means that it is an important
item to the villains.

If I lose it here,

I won't be able to face
my friends.

I asked you to come here
because I know everything.

Just be honest.

What have you heard that
made you call me?

Do you have a necklace or not?

Necklace?

(Student ID that looks like
a necklace)

What is hanging on your neck?

(They found the necklace at
the pawnshop)

(Jaejae has worn it
since that day)

(She got caught)

This is from my mother.

Show it to me.

It's from my late mother.

My mom is alive and healthy.

I'm sorry
for suddenly saying that.

That is yours?

Yes. It has been passed down
for the past 3 generations.

(Sighing)

I know that is Semi's necklace.

This is Semi's?

(She comes up with random stories
while getting scolded)

I didn't know that this belonged
to Semi.

Where did you find it?

(Loading)

Somewhere.

I can't tell that I got it
from the pawnshop.

So I insisted until

the end that I just found it
somewhere.

That was ridiculous.

- This is Semi's?
- Yes.

- Are you certain?
- Yes.

(The battle of spear and shield)

(Here you go)

(Tight)

Are you really certain?

(She had no choice but
to return the necklace)

This might have been a mistake.

I will let it slide with just
writing a letter of reflection.

(The place to write
an apology letter)

Write a 1,000-word apology
letter.

- 1,000 words?
- Yes.

I can't write that much
on one A4 paper.

Cram everything in that.

- It has to be a full essay?
- Write it down.

This is so upsetting.

(But she still has to write it)

(She confidently sits while facing
the head of students' affairs)

How did he find out?

Hello.

I mean good morning, sir.

Apology letter.

(She starts to write her
1,000-word apology letter)

What am I good at?

(It's a rule to know what others
write before writing your own)

That sounds cool.

I think you will become
someone cool.

What did Jaejae write?

Jaejae's is amazing.

Real estate and investment.

Building owner.

I think Jaejae can become one.

(Everybody writes well)

That is cool.

What if we study and turn out
like Producer Seungnam?

No, we will become better
than him.

Yena, what did you write?

I wrote super idol.

(Cute)

You want to be an idol
at a supermarket?

There are people in front of
shops that give out leaflets.

(Supermarket idol?)

I want to do that too.

Specialty is doll vending machine.

You want to play that
all the time.

That's so cute.

Are you good at that game?

I am really good at it.

I watch it all the time
on YouTube.

They revealed how it is done.

Does it really work?

Yes!

You used up a lot of money,
didn't you?

Yes, I did.

So I want to earn lots of money
by being an idol for supermarket.

My dream is to buy one of those
machines and play at home.

Okay.

I wrote that I want to be
a super idol.

My model is a soloist called
Yena.

We have similar values.

(Jaejae is still writing
her letter)

'On September 21, I accidentally
found a necklace

that looks just like the one
left by my late mother.

I could feel that it is
my mother's

and naturally wear that.

However, I just found out that

it is Semi's necklace with the
same design as my mother's.

Where is my mother's necklace?

As long as I am unable
to identify who is the owner

of this necklace,

I wore that necklace and I
regret my actions.

If you lose your item...

(She wrote that much)

Semi must have been flustered.

I would like to apologize to her.

In order to become a student
of Songhwa that all are proud of,

- I will walk on a straight path.'
- Ms. Yujeong.

Yes?

Can you please come here?

Yes, sir.

(The head of student affairs
suddenly calls her)

Please look at this, Yujeong.

(Yujeong?)

(He shows her something)

This is a picture of when
I used to teach you.

It has been around 20 years,
hasn't it?

Yes, that is right.

The three of you have always
been together.

You are a trio who walk around
everywhere together.

You watched everything
that we did before.

He showed her a picture.

I wanted to take a peek
but failed.

(She tries to peek again)

(Walking stealthily)

(Frozen)

(Reverse)

(Ms. Yujeong goes somewhere else
at that moment)

(She gets ready to take
a photo)

(Looking bold from the back)

(She succeeded at getting
some evidence)

Where is Jaejae?
Shall we call him?

Let us know if something happened.

Transfer students.

Transfer students.

Come with me for a moment.

Follow me.

Jihee came to see us.

She seemed to be annoyed.

She was like, 'Come here'.

She is very rude.

Why? What about us?

This is something important.
Come out now.

Just talk here.

Come out if you want to know.

(The air in the classroom
becomes chill)

Just follow me
and don't talk back.

(Flinching)

Must we go just because
she asked for us?

(She sits down again)

It's okay. We are more than her.

I'm not going out just because
she told us to.

I want to hear what
she has to say.

(Coy)

We're not going because
we are scared.

Jiyoon, that makes you look
even weaker.

We'll be back.

I'm scared.

- I am too.
- This is scary.

Where is she going?

What is this?
Jaejae is not here either.

Hurry up.

(How far must they go?)

This is the scary...

'Come to the rooftop now'.

It is the rooftop.

This is scary.

What is this?

Why is this locked?

Why is this locked?

(Frozen)

Come up here.

(They don't want to but
follow orders for now)

I heard about this from Bae Suzy.

I heard you are trying to find out
who Munbanggu's admin is.

She was the one who wanted
to tell us about it.

We didn't do that.

I heard everything. You said
that Semi is the admin.

That is just a suspicion.

Why do you want to know that?

Something is fishy.

We have some debt too.

(Good job, Jiyoon)

Why are you so curious?

Mina! What part-time job
did she do?

Why do you always ask me that?

I don't know what job she did.

(Let's ask about Mina's job)

What job?

(Jihee seems to be clueless
about the part-time job)

Why are you so angry?

It's because you have been digging
up info about me behind my back.

Aren't you the one who is digging
up information about Munbanggu?

We can't help it since
you did all those scary things.

Scary things? What?

You have been lending money.

That is what loan sharks do.

All I did was to lend them gums.

The rest is done by the admin.

It means Semi and Jihee
have different jobs.

I think she did actually
lend those gums.

(Inside the counseling room's
secret area)

(On the left hand side)

Jihee is the one who only
works on giving loans.

After making sure the students
cannot escape their loans,

the one who pressured them and
gives mental pressure

as well as link them to jobs
is the admin that was chosen

by K.

It was Lee Seulbi

and now I think it's Semi.

But...

I will be the one who handles
everything soon.

- You will do everything?
- You are the next in line?

Semi was fired
from being the admin?

I was sick of how she does
her job.

She has nothing but acts like
she is high and mighty.

(She can't help but to sigh)

Do you know what happens
when you are the admin?

Do you know the ending?

It's good to earn lots of money.

You are thoughtless.

She is very immature.

She has no idea what
she has been doing.

What is the ending for admins?

They get disposed of when
they are useless.

She has no idea that she will be
the 2nd and 3rd Seulbi.

I feel bad for Jihee
who seems conceited.

Anyway,

stop investigating about
Munbanggu for no reason.

Don't tell people about me
or Semi. Got it?

We're just worried for you.

Move.

(Making way)

You should be careful too.

You be careful.

Don't become the admin.
Just keep that in mind.

(Coward's special trait:
Give warning when the person left)

It's weird to talk to her
when she is walking away.

(We are letting it slide
just for today, Jihee)

What happened to Semi?

She said that Semi was not
doing her job well.

I think she did that
in order to protect everybody.

She didn't even listen
to the teacher.

Where is Jaejae?

(Jaejae is not back yet)

(Looking thoroughly)

Jihee is funny.

She never stopped
folding her arms.

(Jaejae is back after
writing her letter of apology)

Hi, girls.

(She comes back with
a look of satisfaction)

(and happy stride)

(What is it?)

(Being wary)

(They gather together)

The necklace was taken away
from me.

Why?

Apparently that is Semi's.

(She had no choice but to give
the necklace to Mr. Sanmun)

Is Mr. Sanmun
part of the gang too?

How did he know that
it is Semi's?

This is what's important.

The students' affairs teacher
is Mr. Son Sangnim, right?

It looks like he has been in
this school for ages.

He called Ms. Yujeong and asked
her if she remembers this.

Then he showed her a picture.

He said the four of them are
close and now she's a teacher.

I peeked at the picture.

I took a picture of it.

Look at this.

She was eavesdropping on their
conversation.

Then she coincidentally
saw a picture

and showed it to us.

(Gather around)

It was a picture of
Mr. Son Sangnim

and 3 other students.

I think they are members of
Haedeuribnida.

(Haedeuribnida members)

She is Kim Yujeong.

She is Baek Yeohee.

(And the other person)

She is Kang Buyeong.

There is a Kang Buyeong who
was in the 30th batch.

Yes, there is.

(Previously at the record room)

(Staring)

I thought this is related to
Guardian K and Witness K.

So I saw the list.
Kim Jeongsuk, Keum Kang...

There are people who can be
labeled as K.

There is a student called
Kang Buyeong in batch 30.

Kang Buyeong's surname
starts with K too.

(Batch 30 means she was
a student in 2003)

Is K Kang Buyeong?

But the rest were too
caught up in their thoughts.

So that fact just passed by.

(Each time they try to
rule out Kim Yujeong)

Perhaps it's Kang Buyeong.
She was from batch 30.

(Jaejae is reminded of
the student called Kang Buyeong)

Her name is Kang Buyeong.

(They become even more certain)

We didn't know her name.

I think she is Kang Buyeong
and not Kim Yujeong.

She was the most corrupted
and went against Yujeong.

I wonder what

this person looks like right now.

She is an alumni but
not a teacher here.

There are no teachers
by the name of Kang Buyeong.

She might be someone
related to Blooming Camp.

That is possible.

During Blooming Camp's
kick-off ceremony,

let's look and see if
Kang Buyeong is there.

(Got it)

We did not get intimidated

by Jihee.

Why?

She came here angrily.

She asked us why
we were doing this.

She asked if we were
investigating Munbanggu.

(Interested)

But while she was talking,

she said that she would become
the next admin.

However, Jihee does not seem
to know about the experiments.

She just works as instructed
and gets paid.

She is only interested in
Gucci and money.

I'm sad that they are
clueless and cheerful.

I know, right?

(They think that Munbanggu
is a playground too)

Now is our free time.
Shall we go to our room?

- Okay.
- Sounds good.

Did you read my text?

- Yes.
- I'm glad.

I saw that on the way up.
Nothing happened.

Okay.

- Thank you.
- Don't say that.

Thank you for worrying about me.

(They are at ease again
since they are back together)

(How did Mr. Sanmun find out
about the necklace?)

We should not have trusted
our homeroom teacher.

Don't trust him. He might be K.

He does look kind.

I get goosebumps each time
we come here.

There might be real ghosts
lurking in this area.

(Let's enter our room right now)

(Oh!)

What?

What?

(Their room was ransacked)

(The interior is a mess)

(Their important items
are scattered everywhere)

(Evidence that someone
was going through this place)

- Our room was ransacked.
- What is this?

Our room was ransacked?

We got caught.

How did they know our passcode?

Wasn't this done by Ki Bongkwon?

(Mr. Bongkwon told the passcode
to the criminal?)

Thankfully, this is safe.

(Mina's laptop is safe)

My picture! Our picture!

(Yena's picture is on the ground)

(Crying)

This is so mean.

So cruel.

(Jae-fox has fallen)

I knew it since he treated
us kindly.

He left after looking at this.

(The secret board is exposed)

This is so rude.

(Everything written on the board
has been revealed)

I'm getting angry.

(So mean)

(They become somber)

We have to take them
heads-on now.

We have no choice but
to reveal this quickly.

Let's remember everything
we wrote here

in our mind.

This makes me angry.

This must be how it feels
to get robbed.

I don't think we lost anything.

I think that person read
what we deducted so far.

That person found out

how much we know.

So this is like a threat.

'Stop what you are doing now'.

(Is this a warning for them?)

I made some changes
to the board.

(They updated the board
with new information)

It's true that Mr. Suyeol
was threatening someone.

Then he got kidnapped
at Blooming Camp.

We don't know if Ms. Yujeong
is Guardian K or not either.

We also know that Mina was
part of a human experiment.

Semi is the admin and
she saved us at the lab.

Now, she is missing.

We also found out about
a new person.

Kang Buyeong.

(Kang Buyeong: Member for
Haedeuribnida. Guardian K?)

Is Kang Buyeong K?

She either has a different name
or is lurking somewhere.

I think the company called
The Young Beauty

is a company that supports
Songhwa's archery team

and might be able to control

the student affairs teacher,
principal and everybody else.

If that is true, it means they
have power over the school.

Look at this. The Young Beauty.

Kang Buyeong might be a student.

She has to be a student
to popularize Munbanggu.

It's easier to make them join that
way than being an outsider.

So K is one of our students?

That is possible.

We need to open our mind
to everything.

Kang Buyeong.

(K is one of them?)

What was Mina doing going
in and out of that place?

Part-time job?

I think the reason she went there

is she was running away
while covered in blood.

She was running away while
bleeding due to side effects.

Then she ended up going to
the overpass.

(Mina was found at the area
of the student union)

(Was she on the way out from
the secret lab?)

'Her side effects are
wandering around

and acting weirdly.
Then, she was found unconscious'.

Why was Seulbi's name written
on the wall?

(Mina's last message
was 'Lee Seulbi')

Isn't Seulbi dead?

It's because Seulbi
was the admin.

Seulbi knew that they were
doing tests on the students.

So I think she wanted to tell
us that the student

related to this case is Seulbi.

But Seulbi was last year's admin.

Why did she write Seulbi
instead of Semi?

(The admin has changed)

(What was she trying to tell
through her dying message?)

I know that all of us are here

but why do I feel sad as if
one of us is missing?

Why did you say that?
That is scary.

Why did you say that?
So scary.

What's the matter?

Something feels empty.

(Standing up)

What's the matter?

What are you
trying to say, Jiyoon?

But I somewhat feel
that way as well.

(Something feels weird
but they don't know what is it)

What is this?
I'm getting goosebumps.

Are they actually observing us?

(They have a bad feeling as if
someone is watching them?)

We won't let this slide.
We know everything.

Maybe they installed a recorder
or something else here.

The doll. Look at that closely.

I will remove your eyes.

(The duck has gone crazy
due to fear)

(Please don't touch my eyes)

Who else can enter our room
besides Mr. Bongkwon?

Nobody.

Kim Jongdae?

He doesn't know our passcode.

But our code is 000000.

He has the keys to all rooms.

(There are keys to all rooms
in the school in the office)

He can see everything.

CCTV!

(We forgot about the CCTV)

I peeked at it. Was he
looking at us through the CCTV?

It means he knows everything
that we have done.

That gave me goosebumps.

(Oh?)

CCTV!

We are being observed.

(CCTV that keeps an eye on
Songhwa's student union)

If we go there,
we can find evidence

on who actually came here
through the CCTV.

We can check the CCTV
to know who came here.

(The one and only witness to
who entered their room)

If this person is able to
come in and ransack this place,

that person can do anything to us.

Shall we wipe that off?

Just the new information.

They can't know that we know
about Kang Buyeong.

(Cover it up again)

(They head out to find
the criminal)

We are watching you.

We are!

(A warning that is one step
too late)

Someone entered our room.

That person is a thief.

Jongdae is not here.

He is not here.

(The admin office is empty)

(There were monitors to the CCTV
over here)

Yes. The door is open.

(The door is open wide)

(Why is it open?)

Didn't we shut the door
before we left?

(Oh?)

I got goosebumps.

What if someone is in
the room right now?

(Someone else entered
within that short time period?)

Didn't we shut the door
before we left?

No, we left it open.

We are watching you.

(It is wide open)

Really?

Okay.

That CCTV.

(CCTV icon on
the computer background)

(But the folder is locked)

(Doyoun found something
on the table)

(A notebook)

It should be in here.

(Oh)

CCTV.

It's right here.

Passcode.

What is it?

(Among the neatly organized
indexes)

We wondered what the passcode is
and found a notebook.

He organized everything
very neatly as expected.

This is very weird.

I think he is very sensitive.

His table is very neat

and he underlined many things
in red.

Others might actually
get goosebumps from it,

but it gave me a sense of comfort.

The line that is drawn in color.

When he takes notes for
separate months,

he made sure that everything
is written in a straight line.

This is a notebook that has
its own rules.

When I looked at that,
I felt at ease.

(The passcode changes
every month)

(Today is December 26)

From August until November,

the passcode is made up of
random letters.

What is the passcode if we
change it to Hangeul?

(Passcode for August)

K, R, S, R, O, H.

That is meaningless.

I don't think this is related
to the Korean language.

Can we try to figure it out
somewhere else? I'm scared.

Someone, keep check.

BIBI, let us know if Jongdae
is coming.

Tell him that you like him.

Make a confession.

Okay. I will do that.

(Getting ready to attack
with a confession)

Even the number of letters
is different.

(The number of letters for
every month's passcode changes?)

What? There is no rule at all.

I don't see any patterns.

It's because the length of
the passcode is different too.

It was in a pattern that is
unpredictable.

But from September to
November, the end is the same.

I wondered why the three
letters are the same...

I think I found one rule.

What?

The ends are the same as for
September and November,

they end with the letters
B, E, R.

Those three letters are then
changed to Y, V, I.

So Y, V, I means B, E, R.

(The code is related to the
name of the months in English?)

The passcode for B is Y.

V becomes E and R becomes I.

So we can just change it
to spell out December.

All Es will turn into V.

Yes.

We have to change them,
right?

Yes, just change them.

A becomes Z, U becomes F
and G becomes T.

This changes something.

(A simple change without
any specific rules?)

But there is no D.

(They exchange those letters
to form the passcode)

(But there is nothing that can be
used to exchange D)

Do we know everything but D?

Shall we key every single letter
in for D?

Let's try that for now.

(Which letter matches D?)

Girls, this is it.

This is how they change
the letters.

(What is that?)

- A to Z.
- From last to start.

I wanted to know the relationship

between these random alphabets.

So I looked at the chart
of letters.

Then I realized that the sequence
is just flipped over

from the actual list
of letters.

(Let's take August as an example)

So D is W?

W, W.

What is E? Then is E, V?

W, V, X, V.

What about M?

It's N.

B is Y.

Y, V, I.

(They have exchanged the letters)

Done.

One more time.

(She becomes BI-kat again)

(It is amazing if that is right)

(Eagle hardware)

Jiyoon, will you be okay?

(She doesn't stop)

BIBI looks like a meerkat.

(This suddenly turns into
an animal kingdom)

V, I.

(Is that the answer?)

Okay.

There are four folders.

There is one that is facing
the student union's corridor,

one at the corridor of
the archery team's dorm.

One is facing the investment
and mystery clubs,

and in front of the cafeteria.

Mist Club.

(Songhwa student union 2:
Investment and Mist Club)

All videos from December 24
and 26 are here.

(Folder with videos from
24 until 26)

26?

(Videos are divided into
every three hours)

Shall we start from the most
recent one?

I think we can skip every
30 seconds.

(Clicking furiously)

(Who is the one that ransacked
their room?)

It might be someone other than
Mr. Bongkwon.

I will be in total shock
if it is Mr. Sanmun.

I am so curious right now.

I am scared.

(9AM to 12PM on December 26)

Why does the CCTV recording
seem scary?

This is so scary. It feels
like something will pop out.

Isn't it scary to see it
getting brighter slowly?

We have never observed
our corridor before.

(They usually pass by this area
happily with snacks)

This place looks scary when
observed through CCTV.

If I knew it,
I wouldn't come at night.

This is very scary.

It's dark.

(Getting chills)

(December 26 from 12AM to 3PM)

(Nobody entered their room
on the 26th)

It's from yesterday.

Let's check yesterday's videos.

It was Christmas and
everybody was free.

Right?

There are many files.

This is a lot.

(They start to check the videos
from December 25)

This requires us to be patient.

There's someone.

There's someone.

Hold on.

In front.

Is that a student?

(Someone appears in front of
their room late last night)

Is that a student?

She looks like Semi.

She is in the same clothes

as what Semi was in
when she told us to leave.

(On the night when Semi
saved them)

(Her hairstyle and clothes
look the same)

(Today, Semi is not in school)

(But she was in school
last night?)

Look carefully.

She was looking around
before going in.

She kept on looking around.

What is she doing?

She is shining the flashlight
against the wall.

What can she see by doing that?

Let's watch again.

Let's record this.

(They found a precious clue after
watching 15 hours of CCTV video)

Light it.

One more time and light
the upper area.

Turn it up again
and turn on the lights.

I think she is giving us a sign.

What kind of code is that?

It is clear

that this is a message for
the one watching the CCTV.

(This is not a simple move
of shining the flashlight)

She didn't enter the room.

Yes. She did not.

She just left.
She did not enter the room.

(After shining the flashlight)

(Semi left the hallway)

What time is this?

It was around the 20th minute.

This is 9:20PM on December 25.

(Semi went in front of their
corridor at 9:20PM)

(She left a mysterious message
to someone)

(Semi is not the one who
entered their room)

(Who entered their room?)

(They don't understand
what Semi did)

Let's check out the same time
for other cameras.

Entrance to cafeteria.

Check the last video.

There is something weird there.

This was recorded, right?

(Something just passed by)

It was very quick when we saw
a white light.

What is that?

That is not Semi.

Picture.

9:30PM.

This person looks old.

Who is that?

(A mysterious middle-aged
woman left the cafeteria)

(She goes up the stairs
and disappears)

Isn't that the principal?

(Is the person in the CCTV
the principal?)

(But she looks younger than her)

We have never seen her.

Take a photo of her face.

Good.

We found the laboratory
in the cafeteria.

So there's high probability that
she is the main villain.

(They will know who that is
if they see her in person)

I think we will recognize her.

Her clothes too.

What time was that?

This is around 9:10PM.

So after this person left,

Semi stood in front of our room.

Where did she go from here
at this hour?

Check another CCTV at
the same time period?

Songhwa student union's entrance.

(They will be able to see
both of them)

We can see them going on
and leaving.

There she is.

It took just 10 minutes.

At this late hour...

This is very suspicious.

(A mysterious woman leaves
the student union)

(11 minutes later)

(Semi enters the student union)

She was waiting for that person
to go in and leave the union.

(Semi keeps on looking around
as if she is wary of something)

But we still don't know who
entered our room.

(They still don't know who
entered their room)

Must we check everything?

Semi came to our room at 9PM.

This is at around 9PM too.

(They check what happened next)

Nobody came.

Let's check from 6PM to 9PM.

(They check in reverse again)

(Who)

(is the one who entered)

(their room?)

(There is someone there?)

Before Semi left
a message on the 25th,

someone entered our room.

It's been 2 hours so
this is around 8PM.

(A third person?)

She is in trainers and a cap.

It's a she.

It's a student.

This is the same hoodie
that we saw before.

It's her.

(The one who locked them
in the science lab)

(Someone in a black hoodie)

The brat who locked us
in the laboratory.

It's that punk.

(She plods towards the room)

(How does she know our passcode?)

(This trespasser knows
their passcode)

She acts as if she goes
to our room frequently.

She naturally enters our room.

She started to ransack our room
as soon as she entered.

(She left the door open
while committing crime)

Is she searching for something?

The necklace?

I think so.

(Did she trespass in order
to find the necklace?)

She didn't know that I was
wearing it, did she?

She searched for it and
saw our board.

(She turned off the lights as if
she is done searching)

Take a photo of her face.

(She shuts the door?)

She is in that room?

(The trespasser is in the room?)

(Oh?)

(What?)

No. She must've left.

I got goosebumps.

She is in there?

(She was in the room
with us too?)

There's no video of her leaving...

(The trespasser did not
leave the room?)

Please leave the room. Please.

She shut the door?

(Getting goosebumps)

I got goosebumps.

(I can't watch this)

(Peeking)

She is not leaving the room.

(About to faint)

Someone went in.

However, nobody left the room.

It means that she is still there.

When I think of someone
being in the place that

we thought is the safest spot
for us,

it turned into a trauma for me.

Is there a different route out?

Is there a place to hide in there?

Let's look at other cameras
during the same time.

Then we will know how
she left the room.

(They checked the entrance to
the union and club room)

(Checking the corridor of
the archery team's dorm)

We would see a silhouette
if someone passed by.

(But nothing was recorded)

(Checking the entrance
to the cafeteria)

(Nothing was recorded)

(The trespasser was
nowhere to be found)

(It means they have
to check their room)

For the first time I realized

that there might be something
in our room.

The answer is in our room.

Is she

hiding in our room?

Or is there another secret room?

I got some goosebumps
when I thought

that we actually ate
and had fun there.

Why did she enter our room

and never left our room?

Where did she disappear to?

Let's organize everything neatly.

Whose is this?

Mine, right?

Let's go.

(Oh?)

Kim Yujeong.

Jiyoon, get up now.

(Running)

Yujeong!

How are you?

(Someone says hi
in a friendly way?)

(Peeking)

I saw her talking with

the NAVER lady.

(They met her during
anti-bullying committee meeting)

That is not bullying.

(She is friends with Ms. Yujeong?)

Since you are my children's
teacher, I thought that

we would see each other often.

But I think it's getting harder
to see you.

Yes.

Yujeong.

(There is another person?)

Does working as a literature
teacher suit you?

You love to pretend to be kind.

So I thought you would teach
ethics instead.

What is happening?

You are still the same.

Okay.

Looking at what you have been
doing these days,

it makes me very curious about
what you are up to.

They must be Baek Yeohee
and Kang Buyeong.

Semi!

Semi!

I will keep an eye on her.

Why are things still like this
between you?

NAVER lady tried to mediate
between them,

but the third person who is
recorded in the camcorder

looks very similar to the one
in the CCTV.

I was certain that they are
members of Haedeuribnida.

They look similar to how
they were back then.

It is Kang Buyeong who is
the guardian.

I got goosebumps.

You have nothing else to say,
do you?

(There is still hatred even
after 20 years)

That is the lady. The one we saw.

(She is the middle-aged woman
who came out of the cafeteria?)

Hey. Where are you going?

They have the same hairstyle.

She is the kind lady.

The elegant one. The one
who was seated in the 2nd seat.

She is the lady we saw

in the meeting.

(She is one of the representatives
from among the parents)

(They thought she is someone
who knows justice)

The meeting ended with just
one word from her.

It means she has a lot of
influence in this school.

Even the principal and student
affairs teacher listen to her.

She is Kang Buyeong. It's her.

The girl with short hair in
Haedeuribnida's video.

The materialistic one.

(She is the materialistic member)

Does working as a literature
teacher suit you?

I thought you would teach ethics.

(Kang Buyeong)

(They get moving to find out
the secret of their room)

(Feeling worried even before
they enter the room)

What is this?
What kind of place is this?

(They are back in their room)

(Something feels chilly)

Where did she go from here?

(There are no spots to hide)

- Not behind the board, right?
- There is no secret area, right?

(They look around everywhere)

Is there anything up there?

(Where did she go to?)

(Stomping)

Floor? Sofa?

Maybe we will find stairs
after opening something?

Hold on.

(There are many sofas
at this corner)

Does it mean there is something
over here?

There is something on their floor?

Let's remove these.

We can easily remove these.

The cafeteria is under us.

(Is there a path that connects
to the secret lab?)

It felt like we were wasting
our time.

(There is nothing wrong
with the floor)

(Clueless)

It's weird that we found nothing.

As long as one does not
get locked in here...

(Jiyoon checks the hangers)

I wondered where there could be
a secret room.

Then the wall where there
are hangers

looked weird.

(There is a wall behind
their hangers)

We never realized it as we
usually just hang our clothes.

However, that wall
looks very clean.

Is there some kind of space
behind this?

My gosh! That must be true!

Try tapping that.

(Tapping)

It's hollow.

(Is this where the girl in
the hoodie disappeared to?)

Come on...

Amazing.

I got goosebumps.

(Is this a secret path?)

What kind of place is this?

1 hour 20 minutes after
the hooded trespasser came in...

(Semi was standing at the corridor
in front of their room)

It depends on who she was
giving the signal to.

It's clear that she was facing
towards the CCTV.

(Why did Semi shine the
flashlight towards the CCTV?)

Let's give it a shot with
our flashlights too.

If we show that signal,

will someone open the door?

(Someone will open
the door for us?)

But would that person open
the door for us?

(Doyoun and Jaejae go to the
spot where Semi stood)

(CCTV)

(CCTV and Yoon Semi)

(They copy what she did)

(They are watching up-close)

Turn it on once.

Turn it off and on again.

Turn it on and after that

turn it on again.

That was what she did.

What was that?

(The door is not moving)

(They turn off the lights
just like in the CCTV)

(They turn on
the flashlight again)

You can't see anything, can you?

Maybe there is something
on the wall.

There is nothing here.

She did do it while facing
the CCTV.

(What signal was Semi giving?)

I'm certain Semi wanted to tell
us something.

I think the person who placed
the torn

notice paper from the lab

is Semi too.

Come out right now.

(Semi also saved them when
they were in danger)

It's me, Semi.

If this is information from Semi,

this might be an actual pathway.

'I only have you.

Open it up.' I feel like that
is her signal to us.

Let's look at the video again.

(Checking the video again to make
sure they didn't miss anything)

She turned it on once.

(Turn it on once and move it
upwards and downwards)

(Turn it off and move it
upwards and downwards)

Let's resolve this one.

(We need to understand the pattern
of the flashlight)

This is what we saw.

Turn on the lights, turn off.

Turn on and move upward
and downward.

Turn off and move
upward and downward.

Then turn on and off.

(They don't understand
the pattern)

Morse code?

Morse code has a distinct
pattern like this.

Why did she move it up and down?

(They are still clueless)

Are there any similar signs
around this area?

I wonder too.

(BIBI opens the fuse box)

(Hesitant)

What happens if I push this down?

Will all lights go off if
I put all of these down?

(She puts one down)

Girls.

(The lights are still the same)

(They turn off all switches)

(The room is still bright)

This is not a real fuse box.

There is a path that connects
to a secret room.

So there needs to be a touch panel
that is connected

to the path.

The sequence to this

is connected to the flashlight?

I think you are right.

(They see switches when they
open the fuse box)

(Semi left a hint through the CCTV
about the fuse box?)

The movements that she showed
towards the CCTV.

We applied those movements
to the box.

There are too many switches
to match her movements.

(BIBI interprets Semi's movements
to be four moves)

She showed 4 signs but
there are 8 switches.

Must we break it into half
or are they repeated twice?

I think it will be better
to break them into half.

There was a change between
turning on and off.

I think going up and down
is also turn on and off.

So I tried to write the 4 signs
into 8 parts.

Going up is turn on, right?

(Up is on)

(Down is off)

(They do it again slowly)

Turn on.

Turn off.

It is turned on

but she went up and down.

Next, it is turned off
but went up and down.

Next, turn it on.

Turn it on.

Off.

(They did exactly what she did
but nothing happened)

We did everything.

(Jiyoon interprets the movement
of the flashlight)

(Very focused)

(Interpreting thoroughly)

Can I try this again?

(Jiyoon stands in front
of the fuse box again)

If we follow her movement,
we get 7 moves.

(Jiyoon interpreted Semi's moves
as 7 moves)

(However, there are 8 switches)

(They know something is not right
but gives it a shot)

On.

On.

Off.

On.

Next, while still being on,
move up and down,

While in off,
move it up and down.

On.

This is off.

That is the sequence she showed.

What about this one?

(There is one switch left)

(Something feels wrong)

Why do I feel that something
is not right?

Something is not right.

If we divide the up and down
separately, it will be 8 moves.

Shall we do that?

(They try to approach this
from various ways)

We will start to do it differently
from off.

(They start with all in off)

On.

Off.

On.

Next is on.

Up, down. Next is just
up and down.

On. Off.

Off.

(Finally, the secret door opens)

That is correct.

(This path leads them somewhere)

Nothing...

Come here. Nobody is here.

(Secret hideout)

Aren't these very expensive
items?

(What kind of place is this?)

Kang Buyeong!

'We believe in eternal youth'.

(We believe in eternal youth)

Kang Buyeong.

Neverland syndrome.

(The name of the company shows
their obsession with youth)

(CEO Kang Buyeong)

The day to get supplies from
Blooming Camp?

(Documents on the table)

It changed from December 31
to December 26.

The date was changed from
31st to 26th.

Today is the day.

Looks like the participants of
Blooming Camp

will face
something dangerous today.

I became pressured to get
moving faster.

Check every page.

'Use carefully
selected high school.

Provide the best quality blood
for clients worldwide.'

Blood?

It's about blood.

Look at this.

'Obtaining blood in mass supply.'

There are another 4 schools that
are selected besides Songhwa

for the improvement of
The Young Beauty's technology...

The 40 people chosen for their
blood are this camp's participant.

(Gambling to put them in debt is
just the bait)

Multi-blood.

'Multi-blood that can be provided
to people from all blood type'.

(Special blood type made
from students' blood)

This is just...

This is even worse than
organ trafficking.

In the end, Blooming Camp

is how they chose high school
students to become subjects

for them to get blood from.

The blood that they collected

will be sold to those who
want eternal youth

after changing the blood into
multi-blood.

This is a beauty company
that sells blood

taken from young people.

(The Young Beauty's
blood triangle)

Eternal youth...

(Snickering)

I can see that this is a place
where people are being

greedy with their obsession
of eternal youth.

This is the price of multi-blood
in USD.

It is $39,000.

- But...
- That is crazy.

What kind of blood is that?

What is this multi-blood thing?

(She takes something)

(Ministry of Food and Drug Safety)

Look at this.

Their medical equipment called BTH
did not receive approval.

(It can cause harm to people)

This must be a test using that.

Or perhaps they are creating
BTH using this experiment.

They are doing experiments to get
approval to use BTH.

I felt that these people are
under a lot of pressure.

They failed to get approval
on November 16.

They must've been busy with
research after that.

When was Mina's first time
doing part-time job?

November 11.

It was decided that their machine
was not safe

on November 16.

Perhaps they did more experiments
because of this.

I knew right away that Mina

became a sacrifice to this
right away.

(Yena is collecting evidence)

School uniform.

Really?

(Why is there a school uniform
in Kang Buyeong's hideout?)

This is disgusting.

'Lee Seulbi'.

Did you say 'Lee Seulbi'?

(The nametag on the uniform
says 'Lee Seulbi')

Did she hang Seulbi's uniform
here after murdering her?

She has been pretending to be
Seulbi after her death?

People know Seulbi's face.

But she has been wearing
a cap while wearing a uniform.

If not, she stands out
when she walks in school.

(She hides her identity
to avoid being suspected)

(Kang Buyeong has been committing
crimes in Seulbi's uniform)

After looking at this,

Mina wrote down 'Lee Seulbi'.

'Lee Seulbi is trying to kill me'.

Honestly, people won't know
how Buyeong looks.

I think we can think of

Mina's dying message being based
on what was on her nametag.

(Lee Seulbi)

You stole my necklace, didn't you?

Where is it?

Tell me!

I left it at the pawnshop.

What?

(High School Mystery Club 3)

Graduation ceremony for Songhwa
begins right now.

Today is the start
of Blooming Camp.

(They are happy as they don't
know what is happening)

(Someone is trying to take
advantage of that)

I knew it from the day
he was treating us kindly.

(They enter the place
to reveal the truth)

(and found Mr. Ki Bongkwon?)

(Is this a trap too?)

(They start to see empty seats)

Where they captured?

(These students)

(are trembling in fear somewhere)

(The school is no longer
a safe place)

Shall we ask him to come
to collect information?

Hello?

(However, their desperation
was not felt)

(Their one and only hope
has disappeared?)

Oh no.

We need to make deductions.

(Mystery club can do this)

(Only mystery club
can pull this off)

Where is it?

(Shocking records by the criminal)

(that are hidden behind a veil)

(Suspicious movements)

(by those under pressure)

(A hand is waving at them
to call them in the dark)

(Inside the fear that is beyond
one's comprehension)

(Will they be able to save
Songhwa Girls' High School?)

Your friends will be in
more danger because of you!