Original subtitles

(Seo Ji Hoon, I will kill you.)

(Because I am a psychopathic serial killer.)

Seo Ji Hoon.

I will kill you.

Because I am...

a psychopathic serial killer.

(Episode 3)

Yook Dong Sik handled the thugs?

See what I mean? He's definitely not normal.

Only a bunch of morons would find this job difficult.

Has Dong Sik worked out?

Did he train with Special Forces?

Definitely not.

From what I know,

he has two left feet and served a desk job in the military.

On the contrary.

People like that often hide their true identities.

You see it in movies.

Sir, it seems like we messed with the wrong guy.

Yook Dong Sik...

Who on earth are you?

Are you kidding me?

Darn, I'm late.

(Psychopath Diary)

Maybe he was taken to the ER.

Could he be dead?

Because of us, Dong Sik...

What about me?

- Hey! - What?

Are you all right? Were you hurt?

Well...

- Look at this. What happened? - Goodness.

- Oh, dear! - Darn it.

- It looks fine. - Are you kidding me?

Let me see your hand.

What?

Oh, I must've burned myself on some hot oil.

- It's nothing. - They seemed like gangsters.

Are you sure you're all right?

Yes, nothing happened.

You see, we...

We were going to immediately call the cops.

That's right!

But something came up at home.

Exactly. Was the issue solved?

- Yes, everything's fine now. - I'm glad.

The restaurant must be a mess.

No, not really.

I just scared them a little, and they just backed off.

What?

- My gosh. - What is it?

I can't believe you squeezed a joke in there.

Trying to overcome the pain with bravado?

As a man myself, I understand.

You didn't want us to feel sorry, right?

Why are you always like this?

We told lies about you just to get out of trouble.

Perhaps we should tell the Audit Team the truth...

- and testify about the assault. - What?

Just like that?

My family is still in a lot of debt,

but I can work it off.

I'm sure I'll find another job.

No, it's fine. I'll take care of that matter,

so don't worry too much about it.

- Okay? - See?

Dong Sik's fine with it.

Why did you ask to see me?

I hear you were confronted...

by some thugs at your father's restaurant.

How did I know, you ask?

I know because it's something I should know about.

Did the thugs say anything?

Who ordered the hit?

Managing Director Seo.

That's what I heard!

Why aren't you saying anything?

I'm only trying to help you.

If someone in a powerful position...

not only framed you for the Yuseong Biomedi scandal...

but also had other employees lie and ordered a hit out on you,

then this is bigger than we thought.

Didn't you record any of your conversations?

Forget it.

I'll ask your colleagues who were with you...

I don't know what you're talking about.

Nothing that you described happened.

What?

What on earth are you doing?

I'm trying to help you from being fired without cause.

If you're done, I'd rather head back down.

There's no need to blow this out of proportion.

I'm going to kill him myself anyway.

What?

It's nothing to laugh about.

But it's funny.

He can turn the tables...

by revealing that Mr. Seo ordered the threat,

but why won't he testify?

Could he be scared? Or maybe he's intimidated.

Maybe,

he has an ace up his sleeve that we don't know about.

Like what?

I'm not sure.

I should meet him for myself.

(Overdosed on sleeping pills)

(Bloody fingerprint of the left thumb)

- Oh, it's you. - You spent the night here again?

What exactly are you looking for?

It's nothing.

Are you looking into a serial murderer?

I'm not sure yet.

It's nothing and you're not sure.

That's what your father always used to say.

He didn't mean it with his eyes though.

It was something and he was certain.

That's what I see in your eyes right now.

I should run off before you bite my head off.

Gosh, you're scary.

Don't you think you're working too hard?

Didn't you say you had the first shift today?

Oh, no! I'm dead.

- I'll get going then. - Unbelievable.

Be careful.

Gosh.

I thought you wanted the promotion this year.

A few penalty points can really ruin your chances.

It's a never-ending competition, you know.

Bo Kyung, are you moonlighting or something?

At least that would bring in extra cash.

Anyway, let's get some lunch.

The boss has his eyes on you,

so let's go to the convenience store.

- How about tripe? - Tripe?

For lunch?

Nothing is better for lunch than tripe.

Please enjoy.

You could've had our lunch special.

We were just craving for a meat dish.

Your son has one of those kind faces.

I hear he passed away early this year.

Suicide, was it?

I'm sorry, but I have a few questions...

I won't ask you to pay, so leave.

- Ma'am, just a second... - Leave!

Yook Dong Sik met with the Audit Team's Ms. Jo...

but didn't say anything.

Really? But one of the thugs said that he mentioned my name.

There must be no proof, sir.

Also, the anonymous posting was also erased.

Then I was fretting over nothing.

Still,

you should be careful not to get caught though.

Then I'll order something that won't be traced back to me.

Mr. Gong,

that's what we'll do.

I don't quite get it.

You know what it is.

It's what we do to kick out those who are annoying.

What an excellent choice, sir.

Instead of coming up with a complicated way,

I'll just be the psychopath I am and kill Seo Ji Hoon.

All I have to do is kill him.

Murder. Where do I begin though?

You idiot, come up with an idea!

(Paper jam)

Come on.

What's wrong with this?

Mr. Gong.

Where's Mr. Gong?

Seo Ji Hoon?

Where is he?

He didn't say he had an appointment off-site.

Then call him. Tell him to run right over.

Well... He isn't picking up.

Darn it.

Hold on.

What did you just say?

Mr. Gong isn't picking up his phone.

This is maddening.

How are you people training your subordinates?

Who's her boss?

I'm Han Jung Ah.

What did she just do wrong?

She should keep calling Mr. Gong,

but she gave up after only one try?

This is the problem with women.

What did she just say?

"Mr. Gong isn't picking up his phone."

Am I lower than Gong Chan Suk?

Don't bare your teeth yet.

Be cold and thorough.

Hey, you.

Yes, sir! I'm Yoon Dong Sik!

Okay. You were in the army.

What did she do wrong?

She improperly used honorifics!

That's right. You say it correctly.

Mr. Gong will not pick up his phone!

You're still saying "Mr. Gong," showing him respect.

You idiots!

"That punk Gong Chan Suk won't answer his phone..."

"although you're calling!" That's what you should say!

Are you ignoring me?

Say it correctly.

That punk Gong Chan Suk...

won't answer his stupid phone...

although you're asking for him!

What's this? Look at these punks.

Move. Out of my way. Move.

Sir.

May I help you?

Prepare your team's performance report by the start of next week.

Next... Next week?

Not the week after the next, but at the start of next week.

You know your team is hanging on by a thread already, right?

I wanted to fire you all, but I'm going to fire just one.

Just so you know.

Yes, sir!

Let's clean this up.

- You had perfect timing. - Thank you.

Hey. Keep up the good work.

Did you enjoy the show?

I got pushed to Management Support when you came,

so it's my job to see if the employees need anything...

and if there's anything I can help with.

- That's why I came. - Good for you.

Have a nice day.

Have a nice day.

Have a nice day.

Was that him?

Yuseong Biomedi's fall guy?

Seeing as how he's still here, he must be pretty resilient.

That leech.

Thanks for the concern, but he'll be out soon.

The chairman is in a bad mood lately,

so take care of it quietly.

Are you having fun?

If you space out and just watch, your house may burn down.

What do you mean? We're family.

He's so annoying.

Okay, everyone stand up. Stand up.

Okay, stand up.

In the interest of improving discipline to meet our goal,

I will initiate team rebuilding.

I'll reassign your seats according to your duties.

Let's switch seats first.

- Ms. Han. - Yes?

Sit where you are.

- And Mr. Park. Sit back down. - Yes, sir.

- And Suk Hyun, Mi Joo. - Yes?

Sit where you are.

- What about me? - Dong Sik.

Over there.

The storage room?

The equipment has been so dirty lately.

I'll check every day whether everything is clean...

and whether anything is missing, so just get over there.

Also, I want your market reports in 30 minutes,

so just you people here, not the equipment managing guy,

- must attend. Got that? - Yes, sir!

Anyway, where's that girl on maternity leave? Is she on vacation?

Why isn't she coming back?

Get moving!

Do you want some help?

No, it's okay. Sit back down.

Okay.

Darn it.

Darn it.

What the...

Why did I get off?

No.

This place seems familiar for some reason.

Did I come here often?

This wasn't in the diary.

(Boring Day)

As expected, dogs recognize predators right away.

Why don't humans realize until it's too late...

that they may die if they give an attitude?

- He's here. - What?

The nice guy.

(Boring Day)

Dong Sik?

What are you doing here?

Why do I keep running into her?

Dong Sik.

(Boring Day)

Hello.

How did you find my place?

- Your place? - Yes.

Hey, guys. I'm home.

- Would you like some tea? - No.

I accidentally got off the wrong bus stop...

because I wasn't paying attention. I should go home now.

Then why don't you hop in? We'll give you a ride.

No, it's okay.

I'm sure you're busy patrolling the neighborhood.

I don't want to be a hassle.

Dong Sik, wait. It's also our job to take care of our citizens.

Right, Bo Kyung?

Yes, you're right. Go ahead and get in.

Come on.

Get in the car.

Something feels weird.

It kind of feels like I'm getting arrested.

My dad got injured a long time ago.

So now, he's like a baby.

He used to be a detective in the past.

Your father was also a cop?

Yes, of course.

He was a legendary detective at that.

Bo Kyung takes after her father.

She has great instincts.

Hey, cut it out.

Let me talk today.

Dong Sik, she's like a bloodhound...

when it comes to sniffing out criminals,

especially the ones who have committed violent crimes.

I see.

Dong Sik, are you okay?

I think...

I'm just a little car sick.

Does the car smell?

- Hey. - Yes?

Did you forget to brush your teeth after you had cheonggukjang earlier?

No, I brushed my teeth.

How are things at work?

Does your boss keep harassing you after what happened that night?

I...

Well...

I get the picture.

What a bunch of cheap rats.

Isn't that a really typical method?

They don't give you any work and exclude you on purpose.

They want you to willingly quit.

And they're planning to fire people with low-performance records.

They're totally determined to kick him out.

I'm a psychopath.

I can't believe I'm here complaining to the police.

I don't know if this will console you.

But I wouldn't mind being in your shoes.

I have so much work to do right now.

So I don't have much time to do what I really want.

If my boss doesn't give me any work, I'd actually be grateful.

It's not like you can do anything to double your performance record.

You have a lot of time to yourself, so instead of being sad about it,

do something that gets you excited.

Something you've always wanted to do deep down inside.

Are you sure you don't have a side job?

Will you stop it? I already said no.

- But is that even possible? - Something that gets me excited.

Something I've always wanted to do deep down inside.

She's right.

Even a mere constable...

knows how to motivate herself.

I should start focusing on what I really need to do.

And that's...

("The Murder in the First", "The Usual Suspects")

Coming up with a murder plan.

You really come up with the best ideas, Mr. Gong.

Do you think Dong Sik will come to work or not?

How about a bet?

- I'm not good with bets. - What's the matter?

Do you feel sorry all of a sudden because he's your colleague?

I just feel a little uneasy about it.

But I'd feel better if he's no longer around.

Good morning!

What's wrong?

He's doing something.

But what is he doing?

He's probably working on his performance.

No, that's not what he's doing. You can get better grades...

by pulling an all-nighter in school.

But that's not how things work in this business.

And we already know how much money he deals with anyway.

Maybe he got some new information.

"Information"?

Even if you socialize with the top players in the business...

and become good friends with them, they always take the best tip-offs.

The information we get from them is the kind they give to put on airs.

My gosh, get out of the way.

What is he working so hard on?

He looks like he's having a good time.

Do you think he's about to close a killer deal?

"A killer deal"?

Then how about some coffee?

Let's get some morning coffee.

- Oh, my gosh. - Let's go.

Let's drink coffee and work hard until we lose it.

- Let's go. - Let's get coffee.

What in the world...

is that punk doing?

(Floor Plan of the Managing Director's Office)

(Floor Plan of the Managing Director's Office)

(Floor Plan of the Managing Director's Office)

"A killer deal"?

There's a limit to how much that punk can make.

But keep an eye on him just to be sure.

Mr. Seo told me to move this.

Have a good day.

My gosh, what's wrong with this?

May I help you?

Would it be possible...

for me to meet Mr. Seo...

in private?

Did you schedule a private meeting with him?

Which team are you from and what's your name?

Well...

What's going on? Is someone here?

I asked if someone's here.

Some... Some guy was here.

- What? - He was about this tall.

He was standing right here.

What are you guys saying?

(Plans on how to murder Seo Ji Hoon)

(Kidnap from company in a large bag)

Just like I suspected, killing someone isn't easy.

More so because the target is the successor of this company.

There's no way a mere employee like me...

can approach him without raising red flags.

Darn!

See? The files are missing,

so find them.

A while ago, he was grinning at his desk.

Something must've gone wrong.

I'm sure it's the stress.

What can we do though?

Worrying about it won't remedy the situation.

Still, I feel bad for him.

Darn it.

Stressful, isn't it?

Yes.

Who is this?

I hear Managing Director Seo is making cuts based on achievements.

Yes.

I probably should pretend to know him.

I know it's frustrating, but that's the business, right?

We constantly fight in order to get ahead,

and we must prove ourselves to survive.

Eloquent...

with a dandy look...

and stylish in a luxurious way.

He must be from the Sales Team.

You know,

I'm aware of some inside knowledge.

I was right, he's from the Sales Team.

I'm good.

I really don't have the time to worry about other things.

I'm busy.

Hold on a second.

You won't even hear me out when it's coming directly from me?

I'm sorry. You see, I'm quite busy.

Wait!

At least hear me out.

There's a Chinese game developing company called SOK.

It'll go public on the KOSDAQ market tomorrow.

Do you know who'll be here?

Xi Jinping's nephew.

The information is top secret and purchase will begin at noon.

The articles will be published in the afternoon,

so if we buy as much as we can before that...

He must truly be desperate to share this with me.

It's tear-jerking.

I'm telling you solid information.

This is enough for you to knock Seo Ji Hoon out.

Right, of course. I got it.

I'll try my best to utilize that information.

Gosh.

Thank you.

But...

"The Death of an Office Worker."

"An office worker..."

"takes his own life due to the amount of stress from his job."

(Sister)

Yes?

Why would you answer my call like that? Are you at the office?

Yes, I am.

How are things at the office these days?

Is anything up?

Well, you know...

This is how you always are.

Just tell me if things are tough...

- and ask for my help. - I don't need your help.

- This is nothing but... - What is it?

It doesn't have anything to do with me,

but someone asked me for my help.

A company called SOK is going public tomorrow.

Don't get your hopes up too high...

and just think that you're helping someone in need.

Yes, make the purchase before noon.

Well, I should get back to work.

This is a place where even a psychopath like me...

gets pitied on.

Talk about the life of an office worker.

Why am I missing cash from the register?

That's absurd.

Is our youngest son stealing from us?

Dong Chan? I doubt it.

He's been asking me for more money lately.

(My daughter Ji Yun)

Ji Yun, hi.

Dong Sik said that?

Okay, got it.

What was that about?

Dong Sik called Ji Yun...

and asked her to buy some stocks.

- Out of the blue? - Tell me about it.

This is the first time he's asked for a favor like this.

He's close to getting fired,

so this must be a way for him to keep his job.

Call everyone at the Hiking Club.

Everyone, listen up! Are you all here?

It seems like some of you aren't.

Let me remind you once again.

Call Yook Dong Sik at Daehan Securities...

and buy the shares of SOK.

When? Tomorrow before noon.

You won't regret it, but if the company goes under...

Well, if it does,

I'll sell the restaurant to reimburse the costs,

so please help me this once.

I will be in your debt forever.

Our debt? That's absurd considering how much you've done for us.

Of course, we should help.

He's your eldest son which makes us our son too.

Don't you agree?

My gosh, thank you so much.

You have no idea how grateful I am. Come on inside...

and enjoy a meal on the house.

(Project: Murder Seo Ji Hoon)

(Equipment: Rope, chair...)

A saw, a mask...

(Equipment: rope, chair, saw, mask...)

What's the correct spelling?

A sack.

A laxative.

I'm sure you all have smartphones.

These days, you can buy and sell shares on it.

Please download the Daehan Securities E-trading app.

E as in the alphabet E.

- A, B, C, D, E? - Oh, the alphabet.

("Memoir of a Murderer")

("Mathematics in Blood")

Don't forget to treat me when you score big.

This solid information.

- Daehan Securities. - That's right.

- Okay. - Okay.

- Okay. - Okay.

Okay.

Bring all the meat we have left!

- Okay. - Okay.

Let's be clever about this, all right?

Some things you must take care of alone.

Honey. Honey!

Look.

(Ceiling price)

(Hit the Ceiling Again)

(Hit the Ceiling Again)

Every Friday night,

Hit the Ceiling Again.

You're dead, Seo Ji Hoon.

He still hasn't resigned?

I'm sure he's at his limit now.

Yes, of course.

We're doing performance evaluations today anyway.

Yes.

I'll call him in when the market closes...

and give him an earful.

Yes. Yes, sir.

Mr. Gong.

- What? - The... Come...

What?

What happened?

Excuse me.

No way. How did that happen?

(Yook Dong Sik)

My gosh.

How much is that?

That's crazy.

- Dong Sik? - Yes?

You made it to the top? Just before the market closed, too.

Well... It just kind of happened.

It was my instincts?

What about the accounts?

Where did you get the money?

Well... I think it was my father.

What does your father do?

Is he a conglomerate chairman or something?

He has a barbecue joint.

He is the chairman of a hiking club.

At that rate, the top performer of the week...

No, he'll be the top of the month.

No way.

(Yoon Dong Sik Asset Management Team 3)

How did that happen?

How could I fall below him?

48 percent.

Wow.

This is awesome.

- Wow. - I must have been lucky.

I should've bought some too.

Okay. My performance isn't important right now.

My murder plan is.

The abduction and my alibi.

I have the basic scenario.

But I haven't decided on the most important thing.

How will I kill him?

Aren't you glad you listened to me?

Yes. Hello.

You did much better than I anticipated.

Yes, well...

Thanks to you.

I have an even better offer for you.

Do you want...

to hear my plan over a drink?

He lucked out with a stock, and he's so excited.

I have plans already.

Let's talk another time.

- What? - Excuse me.

- Hello, sir. - Hi.

Okay.

Yes, sir. Have a nice day.

Was he lucky or did he pull something?

Why isn't this working?

Where did he go?

He left early. He just left. He was confident.

He left early? He left early? Do you want to die?

Darn it.

What are you doing? Continue.

What? Don't you drink?

Scram!

If I use a knife, the blood will splatter.

Should I wear a raincoat?

Should I just strangle him?

He won't sit still.

It's not like it's my first kill.

Should I just let my instincts take control?

No, no. I need to take care of him perfectly and cleanly.

It's not like I can practice somewhere.

It's so hot. So hot.

Excuse me.

Sung Tae! Hey!

What was that?

(The Best Live Escape Room Cafe)

(The Best Live Escape Room Cafe)

Okay.

The room you chose is the Perfect Crime room.

What is the perfect crime?

You must analyze the clues in the room...

to figure out how the murderer committed the murder...

No need to explain.

I'm surprised you called first and asked to meet.

I had to rush, so I couldn't put on my makeup properly.

I'll have the same.

Right.

It's a given that people are happy if I invite them for a drink.

What do you mean?

Who is she?

She?

Do you think I'd be like this over a stupid woman?

My apologies.

(REG Escape Room Cafe)

Just look at this idiot.

What? I don't need to explain?

I gave him extra time, but he still can't get out.

You always get punks like this every so often.

Why are you making me work extra?

Is the knife the answer?

Go quietly behind him like so, and...

No, no.

That doesn't seem very much like a serial killer.

Like this.

From the front.

Walk toward him.

Then he'll get scared, right?

He'll be scared.

Right then...

Die.

Die!

Die!

Hello?

This is the police, right?

There's a weirdo here.

- That's not it. - Get out!

- Let me ask just one more thing. - I said no!

That was so long ago. Why are you bringing it up?

I don't want to even think about it. Just drop it.

- You're so annoying. - Seriously.

Please reconsider.

What are you doing?

That poor old woman. Forget it. Don't come back.

- I'm so upset. - Please leave.

I said my heart breaks.

I'm sorry.

Please leave.

(Family of the deceased)

There are so many suicide cases I need to look into.

But they won't even let me talk.

- Hey. - Where are you? We got a report.

I was busy with something.

I'll be right there. Where's the location?

That's him.

He's...

Isn't that Dong Sik?

My gosh, I guess his boss is giving him a really hard time.

He must be really stressed.

How are you going to kill a mannequin like that?

What... What brings you guys here?

We got a report...

saying a suspicious guy seems to be practicing how to commit murder.

The thing is...

In order to escape, I needed to figure out...

how exactly the culprit...

committed the murder.

Seeing you this flustered...

is actually making me feel suspicious.

No, that's... That's not it.

It's okay, Dong Sik.

I bet everyone wants to kill their boss.

- Right? - Of course.

- This darn boss. - Darn him.

How should we kill him to make Dong Sik feel better?

How do you want me to beat him up? Hold this.

- Why? Oh, I see. - Here.

- Okay, I get it. - What should I do to him?

- You good-for-nothing boss. - Should I just beat him up?

Your form was amazing.

Actually...

(Test how far you can go within 60 minutes!)

Do you feel better?

Oh, yes. I'm pretty tired.

I get that you hate your boss, but you should reconsider.

Killing someone is a very tiring process.

Right.

Psychopaths must have to do a lot of thinking.

Yes, of course.

They must think about everything aspect.

They can't get caught, so they need to create an alibi,

hide their weapons, and throw away the bodies.

- Right. - They try so hard...

not to get caught.

- Do you think that's it? - What?

I'm sure it's important not to get caught.

But the really scary ones...

might actually think of murder as a form of art.

Just like artists, they might use murder...

as a way to express a message or a certain desire.

And to do that, they're probably meticulous...

in choosing the right target, place, and method for each murder.

I guess...

you have a point.

I mean, that's just what I saw in a movie.

I think it was "Saw".

I had fun today.

- Goodbye. - Bye.

A murder that was committed as a form of art?

A target that was chosen meticulously...

so the murderer could express something?

I finally found...

the best way to murder Seo Ji Hoon.

I know it hurts to think about your son.

But there's something I must ask.

Your son studied to become a civil servant.

But only after five years of studying,

he suddenly died.

Do you really believe that he committed suicide?

Listen to me. I barely managed to put it behind me.

Why do you keep bringing it up?

I'm sorry, but I need to know if you really think it was suicide.

I heard you insisted on conducting an autopsy.

Do you know what people said when I insisted on the autopsy?

They all told me they weren't surprised.

I'm trying to find the murderer.

He murders people like it's some sort of art.

He kills the poor and weak and makes it seem like they committed suicide.

Do you know why?

Because people around them easily accept their deaths...

instead of being suspicious.

Life can become...

really difficult for people sometimes.

But there's not a single person...

who deserves to die.

My son, Min Seok,

would never have committed suicide.

I know it.

There's no way it was suicide.

These are his last words.

I always ask my mom for money so I can focus on my studies.

But most days, I just kill time absent-mindedly.

I'm a useless human being.

I'm hopeless.

I'm sorry, Mom.

The thing is, my son did struggle with his studies.

But he never once asked me for money.

He was so close to passing the exam right before he died.

And he promised me that he'll pass the following year.

Is there anything else to prove that this is your son's handwriting?

Yes.

Here.

(Happy birthday, Mom.)

It is my son's handwriting.

(Happy birthday, Mom.)

(I always ask my mom for money so I can focus on my studies.)

Was there anything unusual on your son's body?

For example, was there blood or a scar on his finger?

There was a bruise on his left thumb.

The pathologist apparently thought he pricked himself with a needle.

(Mr. Yook's Meat Republic)

Ma'am, I will return this back to you.

Hey, you're here.

Make yourself comfortable.

I'm sorry for making you come here when you should be going home.

No, it's okay.

But may I ask why you wanted to see me?

You seem really tense.

Make yourself comfortable.

Even the smallest misunderstanding could cause trouble...

and be viewed as sexual harassment these days.

Right?

Ms. Oh, how long have you worked here?

It'll be my third year soon.

People say it's easy to succeed in this field if you're competent.

But everyone has a different starting line.

People who succeed pretty late...

always tell you to work hard thinking that's the only way.

Ms. Oh, you work really hard but take a look at your performance.

I heard your parents have some gambling debt.

Why would they get involved with such dirty money?

I noticed that your paycheck isn't enough to cover their debt.

How do you know that?

I'm the managing director.

I personally want people like you to succeed.

You're already off to a bad start,

so just one single mistake could destroy your entire life.

You deserve to hit a home run.

My plan is finally complete.

Today...

is the big day.

Hi, Dong Sik.

Hop in.

Going up.

Mr. Yook,

are you bold or just scared of nothing?

Do you really think you can handle Seo Ji Hoon on your own?

I don't get what you're talking about.

Do you honestly believe I don't know what you're up to?

What do you think I'm up to?

You're the one who wrote the anonymous posting.

I don't know what you're getting at,

but you will never be able to take Seo Ji Hoon on your own.

Right, of course.

Work for me.

Why would I?

It's more of a warning than an offer.

If you mess up the pot in any way,

I won't let it slide.

Don't touch me.

You'll only hurt yourself.

- Aren't you going? - What?

I still have some work left to do.

I have plans, so I'll leave first then.

- Bye then. - See you tomorrow.

Bye.

The plan is ready, so it just needs to be carried out.

Why can't I calm down though?

Should I postpone it?

What's up, Dong Sik? How about a coffee break?

Right.

No, I'm good.

I'm actually busy with something.

Really?

It seems like you have a lot on your plate.

Well, hang in there. Good luck.

Sure.

Right. I need the luck if I'm to kill him.

I made this anyway so have a sip.

My gosh! It must be hot.

No, it's fine. These things happen.

The last thing you want is a stain.

There's soap in the restroom, so let's go and wash this up.

- It's okay. - Come on. Hurry.

- But... - Come with me.

I'm not nervous, but excited.

The plan is perfect.

Dong Sik, it's time.

You are a psychopath...

who is cruel, cold, and meticulous.

Hey!

Dong Sik, what are you doing?

Why? What's going on?

- It's nothing, sir. - What is it?

Mr. Park, tell me what's going on.

Dong Sik took photos of Mi Joo's legs with his phone.

- I said too much. - What?

What on earth are you saying?

Dong Sik, is that so?

Bring me your phone.

Let's see the photos you have on it.

Unbelievable.

Look for yourself.

Gosh.

See? Look at this.

Hey, look.

Explain these photos.

You're a downright pervert, aren't you?

Could they have...

- Look at this stain. - Okay, fine.

Let's hurry.

Mi Joo, hurry. Bring the rag with you.

Okay.

Get in position.

Sir, this doesn't feel right.

We're in the same boat now,

so get into position. Time is running out.

Hurry.

That's it.

You're taking salacious photos in the workplace too now?

Mr. Park, call the cops.

Sir, there's no need to escalate the situation.

It happened in the office, so punish him by our regulations...

If we're supposed to deal with this internally,

all we need is his apology...

and his letter of resignation.

But Mi Joo won't find justice in that.

Mi Joo, would that be enough?

See that?

See how he's still staring at Mi Joo.

I can't take this anymore.

We have solid evidence so call the police.

Do whatever you want.

I'm sorry for putting you through this.

Don't you move. This is sexual harassment.

Let go.

Hey, let go of me!

Untwist my arm.

Where do you think you're going?

Unbelievable.

I'm good now.

Using a female employee to play dirty?

Seo Ji Hoon,

justice will be served.

Do we have the blood analysis report?

I was worried since the sample was old,

but luminol detected something in one.

(Evidence)

What is this about? Isn't it about time you told me?

This is...

kind of like a signature left by the killer I'm after.

So you're saying...

the bloody fingerprint is...

the signature of a serial killer that we don't know about?

Yes.

Oh Min Suk, a student.

Found dead in his home from overdosing on sleeping pills.

Park Mal Soon, an old lady who lived alone.

She took sleeping pills and died of carbon monoxide poisoning at home.

Kim Myeong Guk, the homeless man.

A week ago, he took sleeping pills...

and died in a fire.

But all three of them...

had a bloody thumbprint taken of their left thumb.

(Gong Chan Suk)

Hey, did you do it?

Okay. Call the cops and follow protocol.

Yes. I feel so good now.

All because of a stupid loser.

Call more girls.

Let's party it up tonight.

(Hit the Ceiling Again)

- You must be tired. - Thank you.

This is delicious.

What's your problem?

(Hit the Ceiling Again)

What's wrong with me?

(Hit the Ceiling Again)

Darn it. Open the door already.

You lazy punks.

Get home safely.

- Good night, Managing Director Seo. - Good night, Managing Director Seo.

What's this?

- Am I at the office? - Get home safely.

What is this?

I hear it's great for preventing hangovers.

Really?

He despises the weak.

He renders his victims defenseless,

then stages the murders as suicides.

He probably thinks he's much stronger and greater than them.

Even at this very moment,

he's probably targeting someone.

What are you doing? Are you mad?

Do you know who I am?

Untie me at once!

Who are you? What are you doing?

Let's begin the game.

(Psychopath Diary)

He's very thorough.

Acting like a fool and a pushover is a front.

Did you do it?

That's right. I did it.

I must have him.

I'm Director Seo In Woo. I'm in charge of Asset Management.

Dong Sik pretended to have amnesia?

No way.

I bet I know a lot more about you than you think.

You even wrote a suicide note...

A suicide note? What did it say?

I tried to commit suicide?

Do you still have that diary?