Original subtitles

Subtitles by tvN Asia

Oh what?

What's wrong with this?

911.

Call 911, now!

– Oh, that's right. Fire! – Put it out, quick!

- This person? - Forged?

Our principle is transparency!

He's the Head of General Affairs at Best Trust Hospital.

Where are you going?

Hey, you!

Hey.

Let me see your face.

Over here! Here!

He's dead.

I'll leave you to it, then.

If you've nowhere to go,

then why not come with me?

– Are you alright? – Yes, I'm fine.

That bastard, where did he...!

Hey, you!

(The Fire Demon, Part 2)

(Episode 2)

Potassium Permanganate.

Glycerin.

He's gone too far.

Dr. Han!

Yes!

Are you alright?

Are you alright?

It's alright.

I'm a police officer.

Did a bad man take you here?

Da... Dad.

Dad?

Who's your dad?

Ho...

She's struggling to talk, from the shock.

It's alright.

It seems Best Trust Hospital is

at the very center of this case.

He didn't have any previous criminal records?

No.

But we'll need to further look into this matter.

Two patients in need of a kidney transplant,

a head of general affairs at a hospital, and Park Jae–seung.

There must be a connection between them somehow,

but I just can't see it.

Maybe an organ trafficking ring has something to do with this.

But I don't see how Park Jae–seung comes into that scenario.

Dong–geun.

Can you look into his mothers' medical history?

His mother?

Why Park Jae–seung's mother?

How should I say this?

Well, though it seems completely far–fetched,

my intuition is telling me that

this may lead us to a big discovery.

Why can't you just say "just,"

instead of always exaggerating like that?

What? "Just?"

You've already seen where my intuition has led us

for these past 10 years!

Don't just force it upon us,

at least give us a reason.

To be honest... Just.

So please, Dong–geun.

Alright, let's start.

Ugh, I really can't get used to him.

I really can't!

But please trust him, just a little bit more.

Let's go.

As expected,

his cause of death (CoD) is shock from heat burns.

But unlike the previous victims, he hasn't received a transplant.

The liver's clean, too.

Then this case is completely different to the other two, right?

Of course.

This is a typical case of death resulting from exogenous fire.

Then why didn't our killer use the same previous method?

Maybe he just couldn't be bothered to do all that?

If he really couldn't just be bothered,

he wouldn't have tried to use a catalyst in the first place.

Maybe...

The killer wanted to show off his methods this time.

He wanted to show his methods off?

Wow, you really do have a keen insight.

You really are Han Jin–woo Junior.

I thought I told you already that I hate that nickname.

You said you didn't like it, not that you hate it.

They're the same thing, obviously.

Please, enough!

Oh, alright.

Ah, that's right.

Do you remember that body?

With just the feet?

– Yes. – That's right, you said so then.

That you think the killer is trying to say something.

Yes.

The first–ever account of spontaneous human combustion

appears in the Book of Leviticus, from the Bible.

At that time,

people were extremely afraid of this phenomenon,

believing that God had delivered his judgment.

So maybe our killer had

started all this to

deliver his own justice.

Justice?

How should I say this... You speak such passionate

nonsense for a genius.

Come on, but it's not like human avarice can be

explained with logic and reason.

Besides, if this isn't delivering his justice,

we wouldn't see this terribly cruel pattern.

[tvN Asia ver.] Quiz From God 5: Reboot E02 Ripped & Synced by ordinaryguy92

That's right,

I forgot to mention this with all this happening,

but we got the results back for Ms. Jang Hyo–yeon's car

and the concentration of ethanol in the washer fluid

was four times higher than the average.

Oh, about that...

Park Jae–seung probably

added more ethanol to it.

So that there'll be a sure chemical reaction.

If an organ trafficking ring is really involved in this,

I could have a look in that direction,

but there are no clues telling us that's the case.

Except for how the Head of General Affairs had a burner phone.

Still,

I don't see where they fit if we were to say this is personal.

But you know,

from how Park Jae–seung kidnapped

Min Byung–tae's young daughter,

he must have held a grudge against him.

That's true, yes.

But you know, it's really nice

going for a late–night meal in a long time!

A human being has to have some meat!

By the way, aren't you tired?

I say you look more tired than I am.

Don't you regret coming back?

I've never once regretted coming back.

Rather, if I ever regretted anything,

it'd be why I didn't come back sooner.

It must still be hard for you,

so thank you for putting us first.

Like I have many people left beside me.

You and Dr. Jo are all I have now.

Once we solve this case, let's go visit Professor Jang.

We should do that, yes.

It's been so long since we last visited him.

And it's time that

you become Professor Jang to someone else, too.

No, I still have far to go before I can catch up to him.

No.

I say you're more than qualified to, now...

Look at you, slurring your words.

Alright then, good night.

– By the way, Dr. Han. – Yes?

Are you going to keep that moustache?

Why, you don't like it?

No, rather than that...

You look like some guy selling cigarettes in Dubai.

What was that about Dubai?

You've been to Dubai before?

With who?

Come on, with who?

(Korea National University Hospital)

Why, isn't this Mr. Kwak!

Hello, and hello.

I've been hearing all about your success.

Success? Please.

This is peanuts compared to

all my past glory.

I didn't know you also had profound knowledge in chemistry.

Anyway,

about our spontaneous human combustion

and the atomic explosion hypothesis...

We admit we made an error there.

Wow, what a man you are!

I didn't expect you to downright admit that.

But I must say,

telling on me being here to the higher–ups

was a fly in the ointment.

In terms of regulations, it was the proper thing to do.

Oh, I see.

And here I thought you were trying to hold me in check.

Wherever I go, people just won't leave me alone!

I'd better get going, then.

You should, yes.

CODAS should get ready for another game, right?

Dr. Han.

What we're doing is not a game.

It's for the common good, for the public interest.

Oh is it?

But I say

it's you who's treating public interest

like it's some kind of a game.

I'll leave it to you, then.

What, so you're saying

the kidneys transplanted into Jang Hyo–yeon and Shin Seong–guk

came from the same person?

Yes.

Wait a second.

if the donor gave her kidneys to

him and her...

That means she's dead now.

That's right.

And we couldn't even find this donor on KONOS,

because there's no record of a transplantation.

Don't tell me, not from a live person...

No, right?

Let's hope that's the case.

– Dr. Han. – Yes, Dong–geun.

I have the report you asked me. On Park Jae–seung's mother.

Park Jae–seung's mother... That's Ms. Kim Yeo–sun.

She was an SMA patient.

SMA... I don't know much about that one.

It's short for Spinal Muscular Atrophy.

It's an inherited disorder affecting the nervous system,

characterized by the atrophy of muscles

used for movement.

Wow,

you really are a talent.

Because this isn't something not many know about.

I'm sorry that I do.

No need to apologize.

Anyway, this is a rare disorder,

affecting the nerve cells in the spinal chord

which control the muscles for mobility.

That would mean an atrophy of muscles.

But how did you suspect there was something?

Oh because of a picture he had taken with his mother.

I could show that she was mobility–impaired.

Oh.

It says here that she passed away last year.

What's the CoD?

If you look on the next page,

it says while being transferred to another hospital,

the ambulance got into an accident,

which caught on fire, thus killing her.

Fire?

Yes, the body was completely burned.

Wait a second.

Isn't this the ambulance from Best Trust Hospital?

– You're right. –Oh, that's right.

Apparently she was on her way to a larger hospital at the time.

She went into shock while being treated.

Oh, one more thing.

She used to work as a cleaner at the same hospital.

Come on, you!

Why are you only telling us this now?

I'm sorry.

What about the driver of the ambulance?

He went missing last month.

So far, we have every reason to conclude this hospital is hell.

I agree.

This hospital's killing people.

So expose them completely, alright?

I should call Detective Kang.

She should still be at the hospital.

Detective Kang.

Ah, you're here.

What about the cleaners?

I'm suspecting oppression from above,

because they're holding their silence.

Those bastards are always so quick with these things.

No one needs to tell them, they'll be already on it.

Why's there so much missing data?

But Ms. Kim Yeo–sun was a patient at our hospital, yes.

Who was her primary physician?

I was told not to give that information out.

We promise this will be kept confidential.

It's Dr. Lee Myung–suk,

but she's on a long leave.

She'll be back in two months.

Of course.

Right when we're on them, they're somewhere very far.

That's because they probably have

a reason why they can't be here.

Right.

Ms. Kim Yeo–sun's work history records...

Why's there so much missing data?

Come on, this just doesn't make sense.

Does it?

Not only did she work as a cleaner here for over 5 years,

but also, she was a patient here! So why...

Why are there no medical records, at least?

Even a veterinary clinic would do it better, I'd say!

Not only that, she died because of this hospital's error,

and there's been no proper compensation.

What are you, a criminal ring?

Detective Kang,

about this hospital...

I say there's no need to hear them anymore.

They should be shut down right this instance!

Once your head doctor gets here,

you'll have a lot of explaining to do.

But it's not just the head doctor,

but you too. You'd better be prepared!

God, that makes me so mad!

Oh, that's right.

No further progress on

locating Park Jae–seung's whereabouts?

A surveillance camera nearby did capture him,

but we haven't seen him after that.

But why are we visiting his house again?

I thought we were already done there.

Because of Ms. Kim Yeo–sun.

What about Ms. Kim?

Alright.

Let's go over this from the very beginning.

Here we have a boy genius

who's caused no trouble and had a bright future ahead of him.

But all of a sudden, he turned into a monster.

And what could be the reason behind that sudden transformation?

Resentment.

Grudge. Injustice. Something like that.

Exactly.

If his dear family had

fallen victim to injustice and unfairness,

then of course he'd come to harbor a grudge.

So you're saying his mother is where it all began.

Yes.

That's what my intuition is telling me, anyway.

Um, ma'am?

Goodness. He'd cared so much for his mother.

What a good son he was.

She couldn't have wished for a better son.

So, uh...

Ms. Kim wasn't in her best health, was she?

Her condition drastically worsened these past two to three years.

She'd have trouble carrying her bag...

Let me help you with that.

Thank you.

Careful, careful.

Anything else in particular?

Oh, that's right.

She bragged to everyone about

how Jae–seung was going to go study abroad.

His school sends their

best student abroad, she said.

Everything seems to be as is from our last visit.

I just need one thing.

One thing!

That's brand–new, with the tag still on it.

He must've got it since he was going to study abroad.

If we rule out the first two cases,

then we could say he was taking revenge for his mother's death.

That is, if the hospital is responsible for her death

and failed to compensate for it.

And that Min Byung–tae had over seen it.

I agree,

but the other three victims – Jang Hyo–yeon, Shin Seong–guk

and the unidentified victim with just the legs...

They don't fit in that hypothesis.

Because we've no evidence to establish that

Park Jae–seung does really harbor a grudge against them.

But more importantly,

for some reason...

I have a feeling Min Byung–tae won't be our last victim.

Same here.

I have a feeling there is a main target.

Drugs.

Drugs.

This has slipped behind the drawers.

Is it a drug?

(Kinetaxon)

Kinetaxon...

What is it?

It's to reduce renal toxicity.

Does that have anything to do with his mother's condition?

Wait a second.

I said I just need one, right?

I still can't believe it myself.

That Jae–seung really did all that.

He was always buried in books,

and he was the most diligent

and the gentlest guy out of all of us.

So you have no clue as to

why he did all this?

No, I don't.

I really don't understand.

What about his mother?

Jae–seung, he...

He'd cry about his mother whenever he got drunk.

That she wasn't looking after herself,

putting him and his tuition before her own treatment.

But wasn't he on a scholarship?

That's only for the tuition.

A doctorate degree means you need all these books.

We heard he was to go study abroad.

Yes, that was how...

...it should have been.

No, then?

Because something shitty happened.

Why was the decision reversed?

Professor,

I'm top in our department in terms of both GPA and essays.

So why is Jung–woo taking my place?

That's under the Dean's discretion.

I don't have a say.

Is it because Jung–woo is...

...Professor Kang Ju–hyun's son?

Jae–seung...

But this program...

Shouldn't it be for someone like me?

Professor.

Shouldn't it be for someone like me,

who's trying to get somewhere

even if the world won't help him out?

Why... Why are you robbing my only chance?

The bastard who stole Jae–seung's place...

Yes, it's all thanks to his mother pulling some strings.

Because that university in Switzerland...

Just that name on your resume is a big asset.

The have's are always desperate to have more.

I can imagine his great disappointment.

One day, he called me drunk

and cried on the phone for a whole hour.

This is why they coined the term,

"born with a dirt spoon in their mouth."

Yes, Detective Nam.

Where?

Today, around 11:20 a.m...

Come on, louder!

Today, around 11:20 a.m.,

at a drug store in Ansan.

From all those purchases,

it looks like he's planning something next.

Do you have a list of what he bought?

Yes, I do.

Hold on...

This...

– It says hangover soup. – Oh, that's my receipt.

Here it is.

– This one's for the slippers. – Oh, so it is.

Hold on.

Oh what? Will I see it by the end of today?

Yes, you will. Just hold on.

Ah, here it is.

Let's see...

I think he's up to something different this time.

Wow, you sure must know everything.

It's amazing.

This is nothing.

I say you'll be for about

12 million more surprises.

Anyway, that should all be to kill someone, right?

You can work it right, right?

Well, I may know the substances,

but as for what he'll be concocting, I...

You really don't have a clue?

Oh, come on.

Do you know how hard it is to

find out what he'll concoct with all these?

But you got to the trimethylaluminum right away.

Back then, I only had a handful of chemicals to work with.

But with this, the possibilites are limitless!

It's not as if I'm AlphaGo...

So, uh...

Can I ask for...

Hello.

Listen, I have a favor to ask...

Can you find out...

What is it?

Do you have a favor to ask?

You think I do?

Go on.

No, uh...

I'm just waiting for someone here.

As scholars, we shouldn't be embarrassed about

discussing a problem.

You think you always hit bullseye?

What, you think you can see through me?

This might be your only chance to ask me something.

Come on, I'm telling you. That's why I'm not here.

– Alright then. – Um...

I, uh...

I had something to ask.

Let's hear it then, at least.

These chemicals have

different properties to the ones that were used last time.

I don't think we'll know unless you put them together.

But uh, with your Big Data,

this should be a piece of cake, right?

This Big Data is optimized for medicine and pathology.

We'll need to create a separate protocol for chemistry

and it'll take some time.

Oh, is that so?

What, then I wouldn't have come here in the first place.

I mean, I know tons of chemistry professors.

I didn't know CODAS had a hole in its system.

Let's at least try analyzing it.

This isn't something you can solve with obstinacy.

I don't do anything of that sort.

I do it with probabilities.

Oh, I see.

Then, uh...

I won't expect any results from here,

and get back to where I was previously.

But uh, should you...

Should you miraculously get something,

let me know, alright?

I'll do that, alright.

Take care, then.

So CODAS couldn't handle it, either.

Yes!

Yes, alright!

Alright!

Jin–woo, I'm so proud of you.

You kept your pride,

but still said what you had to say. Well done!

But I really need them to solve this for me...

Well, I'm sure they will.

Why did you accept Dr. Han's request?

I was just thinking that

nothing good will come out of doing them a favor.

Do you think we've got it good, then?

We've completely lost this case.

This is not to help Dr. Han,

but to at least secure an honorable defeat.

Yes, sir.

The President and the Board

had been following this case with great interest.

But your results have been disappointing.

There is no such thing as a perfect system.

But through errors, they evolve.

To the president, "error"...

...is another term for failure.

Then again,

the Board is result–driven, so...

Since you say that,

I'll bring the results you want right away.

But to do that, I need two things.

Go on.

Server update, and a PMCT.

PMCT?

Postmortem Computated Tomography.

A device to minimize errors.

Or in the President's language,

a device to minimize failure.

What, you have the results already?

I thought it'd take a few more days.

We owe it largely to Ms. Jung Seung–byn.

Ah, really?

Let's start the briefing.

Yes, sir.

Out of the 43,742 results,

these are our best candidates.

Oh, so it's not a stable form.

No. It seems to be a catalyst without a definite name.

– Catalyst? – Yes.

It's similar to a thymine–acetate catalyst.

If the previous catalysts

brought ethanol and antacids together to cause fire,

this catalyst needs just blood and oxygen to do the same.

Just blood and oxygen?

If this catalyst is injected into the bloodstream,

as soon as the victim breathes in,

the body will catch on fire.

An ultimate lethal weapon, in other words.

Yes.

Is there...

...a substance where

you can break that chemical reaction?

You mean, a counteragent?

Exactly!

Can you work it out?

Just give me some time.

Okay! Alright.

Yes, Dong–geun.

Dr. Han,

we need you here.

We analyzed the hair sample of

Kim Yeo–sun, who is the mother of Park Jae–seung,

and the DNA was a match to

Jang Hyo–yeon and Shin Seong–guk's kidneys.

So this was the reason.

His mother had been robbed of both kidneys.

You'd caught on, didn't you?

That his mother's kidneys

may have gone to our first two victims.

I doubted it at first,

but the kinetaxon was what sealed it.

Because the SMA that she was suffering from

doesn't really affect the kidneys.

Not unless there are serious complications.

So it didn't make sense that

she'd be taking kinetaxon, all of a sudden.

That means she had decided on

donating her kidney at that point.

She was taking the medicine to prepare for the transplant.

So she made up her mind and went for the surgery,

but the unexpected happened.

She probably meant to donate one kidney,

but the hospital may have taken both.

The hospital then faked her death

as a road accident during the transfer,

and burned the body to

destroy the evidence.

Right! The ambulance driver.

He could've been killed to remain silent forever.

It may be that her son learned the truth

and tried to take revenge.

That means we'll now have to look for the doctor.

From what I found out,

there's only one doctor with transplant surgery experience

at Best Trust Hospital.

The head doctor, Dr. Jung Chang–man.

Then the head doctor could be his final target.

When did you say he was due to arrive back in Korea?

At 1:30 p.m., today.

But it's already 2 p.m. now.

Alright, send me the address.

He left the airport 10 minutes ago.

Thankfully, he didn't execute it at the airport.

If he were to use explosives like last time,

it could result in many casualties, so...

But where is this Park Jae–seung anyway?

Most likely at Professor Jung's house.

– Professor. – Yes.

I worked out the formula to the counteragent.

It's easier than you'd expect it to be.

Oh really?

Detective, go ahead first.

I need to go make some of this.

Sure.

First, uh...

Contact a professor in the chemical engineering department.

Yes, sir.

Our killer's weapon is chemicals.

Be on full alert,

and arrest Dr. Jung as soon as he arrives.

[tvN Asia ver.] Quiz From God 5: Reboot E02 Ripped & Synced by ordinaryguy92

Oh what?

Who are you?

Why are you doing this to me?

Wait, wait! Stop!

Oh what?

What is that? Wait...

What is that?

Kneel down in front of my mother

that you killed in pain, and beg for forgiveness!

Wait! Don't... Wait!

Park Jae–seung!

Oh, what?

Let's stop here.

Even if you kill him, nothing will change.

We know why you did this,

so hand that over,

and come with us.

Park Jae–seung!

Let her go!

Spare her... Please!

Please, spare her!

Mr. Park Jae–seung!

Calm down.

I understand how you feel,

but you shouldn't victimize innocent children.

Mr. Min Byung–tae's daughter...

The shock from that day has

left her with speech impairment.

Don't do the same to that child, too.

Please.

– No. – No!

It's alright.

Hold onto him for me.

It's alright.

These are the medical and surgical records of

Kim Yeo–sun, Jang Hyo–yeon and Shin Seong–guk,

which were discovered in your safe.

And this is concrete evidence.

Welcome.

Please take a seat.

You do realize that

this is not by through a legal route.

– Yes. – Yes.

If anyone finds about this,

not just me, but you will also be punished by the law.

So please keep this confidential.

– Yes. – Yes.

Now let's talk about the cost.

It doesn't matter how much.

As long as I can receive the surgery, ASAP.

But...

...is there donor?

Yes, I'm still convincing her, but she's almost there.

You probably were scheming to kill her, not convince her.

Ms. Kim Yeo–sun, who was a mobility–impaired worker

at your hospital, and a mother with a son.

With this money, you won't need to work for another 3–4 years.

I brought it up because I know your situation.

I know you're not in your good health.

I also heard from our head of general affairs.

So you have a son who's very bright!

This will be the best for your son too, wouldn't it?

And you didn't even pay her, didn't you?

What are you, a thug?

We found no payment records in Ms. Kim's account.

I admit to performing the illegal surgery.

But I had no intention on killing Ms. Kim.

And as for the money...

There's probably no record because I paid her in cash.

But there's no record of her spending that money!

Well, I wouldn't know what she did with it.

Besides, it was Ms. Kim Yeo–sun's request

that I take both kidneys.

What?

Please, Doctor.

Please.

Please take both. Please.

No!

You'll die then, Ms. Kim.

I don't mind.

But...

The amount you promised me.

Please...

Please give it to my son.

Please.

Don't lie to us.

You were speaking to two people in this recording.

Wait a second.

That means you had secured two kidneys by then.

Exactly. I called them into let them know,

after she'd agreed to it.

Tell us the truth already!

I have the contract!

It's in my secret safe that's in my basement.

Detective Kang.

There really was a contract.

"I, Kim Yeo–sun,"

"hereby agree to donate both my kidneys."

"Should this become an issue,"

"I swear that all responsibility"

"lies not in Dr. Jung Chang–man,"

"but in me, for making this request."

Even if she insisted,

he should've stopped her, as a doctor!

Dr. Jung should be embarrassed to call himself a doctor.

He's only a vulgar businessman

who makes money with other people's lives.

Even with a contract,

he won't be able to dodge legal responsibilities.

Yes.

Yes.

Detective Kang.

Park Jae–seung has regained consciousness.

It's not like we don't understand you.

But while we say that,

what you did was an unforgivable sin.

Unforgiveable?

I don't need your forgiveness.

I only killed those who deserved to die.

I feel no guilt,

nor have regrets.

Even so...

You've taken this too far.

Should I tell you what kind of people they really are?

Starting with those bastards

with their snake tongues?

Um, doctor...

About my prescription...

Could you take some drugs off my list?

Why?

I'm a little tight for money...

Please.

I see it must be very difficult for you.

That woman, who was my mother's primary physician...

She was one of the recruiters for organ transplants.

Of course,

the head doctor had ordered her to, but...

I say she'll be bought, even if it's not a large sum.

You get started on her.

Yes, sir.

Mr. Min sweet–talked her into the deal

and brought her to the head doctor.

And...

...he made her write that contract.

Were you aware of the

context of that contract?

Yes.

Um...

Let me ask you this, just in case, but...

Dr. Lee Myung–suk, who was your mother's primary physician,

is currently on a long leave.

– Is that... – Yes, she'd applied for

holiday leave, as if she had no ounce of guilt.

So...

I sent her on holiday instead.

But I'm sure you two already know that.

The legs...

Did you find all this out

through the head of general affairs?

No.

I tracked them.

Starting from that bastard who drove the ambulance.

Oh what? What?

Arghhh!

Alright, alright! I'll tell you.

I'll tell you the truth.

It was by Mr. Min Byung–tae's orders.

The head doctor's behind it, too.

At that time, my mother...

She was already dead by then, wasn't she?

Tell me all that you know.

Everything!

(Best Trust Hospital)

From what we know,

Mr. Kim Seok–chu went missing after that.

I buried his body right on that spot.

I'll tell you where it is.

Why...

Why did you go to such length?

I wanted to pay them back.

[Note: Sorry, this part is not included in tvN Asia's version]

Still...

You didn't have to

kill all these people.

No,

I had a reason to.

Those people...

...took advantage of the

poorest, and the weakest people in this world.

You're right.

But it's probably out of your own guilt, too.

The guilt that your mother died,

because of you.

Go.

I'm sorry.

To hell with this situation!

Sure, I should go to Switzerland, yes.

I need to go and get my Ph.D.,

so that I'm not a burden to my mother.

Why can't the rich ones just pay for it with their own money?

Why do they have to rob me?

Jae–seung...

Mom...

Mom...

It's alright.

I'll send you.

I'll send you, my son.

Don't worry.

So go,

and return home in success.

Mom...

Alright?

Mom...

Did I kill all those people

out of my own guilt?

No. Hell no.

It's because they robbed me of my chance.

That precious chance to

make my mother happy.

But at the same time,

you robbed them of the chance to

pay for their sins.

Did you think you'd be happier by

killing all these people?

So, are you happy now?

Do you think that solved everything?

What you did was

set fire to this world.

To other people, and your own destiny, too.

Until they burned into ash.

Though the case has been solved...

My heart feels heavy.

Park Jae–seung's sin may have been the gravest,

but this was a tragedy that the powerful ones created.

Why is it that those with power

won't leave the weak alone?

To those with power, these people aren't weak.

They're just...

...merely switches to them,

that they can flicker on and off as they wish.

(Korea National University Hospital)

Congratulations on solving the case.

Please, don't say that.

I owe it all to you, Mr. Kwak.

Thanks to you, I learned one or two things.

I say you could learn even three or four things.

AI evolve exponentially through defeat.

And you won't see another situation of that happening.

Oh, so you're saying...

It's going to get harder for me, is it?

Well, but you know,

I also happen to have a brain that evolves.

Well then. I'll be in your care.

And I'll be looking forward to it.

Sooner or later,

both you and I will be relying on CODAS.

Really?

Because I don't think so, at all.

Why don't you try solving this one?

The foolish decision of a mother

who decided to sell both her kidneys

because she had nothing more to give to her son.

How would your CODAS

analyze that?

Professor.

Ah, Seung–byn.

Thanks. You did very well.

Pardon me for asking this,

but I have a request.

Sure, go ahead. But, uh...

Anything except for asking me to be a guaranteer

or inviting me to your religion.

Please be my mentor!

Men... Mentor?

Please, I'm asking you.

Come on, don't do this now.

Please. Please!

Oh, alright.

Fine, alright. You helped me immensely,

so I'll be your mentor.

Thank you so much! I'll treat you to an IA, then.

Sure alright, let's go.

So what is an IA?

Iced Americano. Didn't you know?

Ah, this is nice...

Then this is officially day one for us, alright?

– What is? – Our mentoring deal.

Ha.

Don't make it sound like we're dating or something.

Here's my first question.

Do you think AI will ever come to

understand human emotions?

No.

You seem so confident about that answer.

Machines don't feel pain.

Well, yes.

They can't feel pain.

Because the core of emotions is pain.

Through pain, we learn to understand each other

and love each other.

(Kwak Hyuk–min)

I'm not talking to you with a smile on your face,

because I've forgiven you for the past.

Why did you have to bring that up now?

I'm telling you,

to be a human at work.

(Remains of a child found after 17 years at Hyukjeon Welfare)

Professor.

It's still tough for me,

and I'm still struggling.

I even just want to avoid it all.

Because no matter how hard I try,

I don't see improvements in this world.

I see it's still difficult for you.

But you're right.

Whether it's people or this world,

it's not easy to see improvements.

Rather,

maybe we should be relieved it hasn't got any worse.

But you know,

the stronger the pathogen is that enters into our system,

the stronger the antibodies,

and the stronger the immune response.

So why not think of this moment as

that exact process?

Just as how a strong host

gives rise to a strong virus,

you should be the same, Jin–woo.

You want me to be that host,

within the antibodies?

Yes.

The host that is

the most difficult to overthrow.

Do you...

...think I can do this again?

You've always done so well,

even going beyond what I could possibly only imagine.

Besides, you're Han Jin–woo.

The Han Jin–woo, who's answered

the most quizzes that God has thrown at us.

Thank you, Professor.

(Big Brother)

When are you leaving to Korea?

In three days.

I heard the Taihang matter was well taken care of.

Good job.

Thank you.

Then I'll call you just before I depart.

When are you planning to return?

I'm not planning to.

Not until I kill them all.

Subtitles by tvN Asia

(Quiz from God: Reboot)

He was like a zombie, from a movie.

Don't come near me!

Are you sure it wasn't because

you were overwhelmed with fear and panic?

Administer the vaccine, now.

That needs to be done within 24 hours.

That disease had already been wiped off in Korea.

How did you come to this conclusion?

We're scientists, aren't we?

We need to consider every possibility.

Who knew even Dr. Han Jin–woo

couldn't have seen this coming?