Original subtitles

You must be Sewon.

My name is Taesuk Myung.

I am a brain scientist.

Check the emergency staircase.

Nurse! Nurse!

Grab him! Hurry!

Shit...

DR. BRAIN

Are you sure he's here?

The bus driver said he got off here.

Damn, we're in the middle of nowhere.

He came to join our temple program late last night.

Soon, morning service will start at the temple.

So you might find him there.

Thank you very much.

This way. Unless there is a special event, the service is in the main temple.

Gee, you're as slippery as an eel.

You thought I wouldn't find you?

Please!

I beg you!

Why?

Why would you do something so foolish?

-Don't put this on me, all right? -Wait!

Don't move!

Shit!

Go on, scream.

I'm a fair guy.

I handle children just like adults.

Jaemin?

Jaemin!

What are you doing?

Come on. You can't go in there.

Come here. We've been looking for you.

Let's go somewhere else.

Namil Hong?

Namil Hong!

I'm a police officer.

Sergeant Park.

Sewon, watch your step.

Isn't this a lovely house?

Hello.

Can you say hello to Dr. Myung, please?

So nice to see you, Sewon.

Now that your mom is no longer with us,

you're going to live at this house with me, okay?

Let's go pick your room.

Pick your favorite, okay? There are many to choose from.

You like this one?

Okay, then. This is your room now.

You're already studying quantum mechanics?

I'm interested in these concepts, so I've been applying them.

Oh, really? So what are your theories?

If we can induce entanglement between two brains,

my theory is that the brains could communicate with each other.

Using quantum mechanics to communicate between brains?

That's some hypothesis!

But...

Shouldn't you be looking into something more practical and realistic?

This theory is practical enough, and very realistic.

And I will prove it to you.

A company in San Jose has agreed

to invest a lot of money in our research.

And to think that everyone in Korea turned us down.

In San Jose, they recognize the value of our work.

I looked into this investor.

He's only interested in research that can make him money.

Don't you find it odd?

He might make unethical demands.

Sewon...

We may never get an opportunity like this again.

You're wrong.

I believe he's using you.

You know it too, but you want the money.

Sewon!

I'm not going to the US.

And I believe it's time I left this place.

Thank you for dinner.

Oh, my. Look at you. You don't look so good.

How long has it been?

Why did it take you so long to come see me?

This is Yoon, my personal secretary.

He's been very helpful in my given condition.

I just came from Saera Clinic.

Oh good. So you met Dr. Hyun, didn't you?

I saw a picture of you and your team in the US.

Ah, such brilliant minds.

You'll get to actually meet them very soon.

I'm already familiar with most of them.

I know you had something to do with Doyoon's disappearance.

Where is my son?

Is that anger you're expressing?

You can express emotions now?

I wonder how that happened.

I'm not here for conversation.

I want to see my son right now!

All right.

I understand how you feel about your son. I feel the same way about you.

But first...

Keep talking to him. I'll be back.

But first, listen to what I have to say.

Hopefully, you'll make the right choice.

Tell me everything about the person behind this.

An innocent officer is dead,

a man like a brother to me, my colleague of ten years,

because of you.

And then there's your mother...

Her life was threatened, and she lost a finger.

What?

The bastard tortured her.

She never uttered a word in order to keep you protected.

There are more...

innocent people who died because of me.

I've had three great opportunities in my life.

And I seized all of them.

The first one was meeting you, Sewon.

My inspiration for this research project.

The second was securing funding to go to the US.

12 YEARS AGO SAN JOSE, CALIFORNIA

This talented young man is Dr. Hong.

He's a rising star in neural nets,

machine learning, and digital neuron modeling.

- Nice to meet you. I'm Soojung Hyun. - I'm Namil Hong.

And I'm Yoojin.

Nice to meet you.

At the time, I thought I'd never get an opportunity like that again.

Um, excuse me...

Why is it that none of these people have emergency contacts?

Most of them suffer from malnutrition.

Maybe they need extra care then.

That's when I knew...

that something wasn't right.

These were homeless people taken from shelters.

No one would fight for them if anything went wrong.

They were powerless.

- Increase the stimulation to 14 hertz. - Increasing to 14 hertz.

His vitals are unstable. I think we need to stop.

What?

No, I think we need to continue.

If we stop now, the data will be useless.

-Push it to 170-- - Wait!

No, no! It's too dangerous!

Keep going.

Continuing at 170 hertz at 3.5 volts.

The test subject lost all of his memories.

But even after that, the experiments continued.

When did the symptoms begin?

We're at the eleventh hour.

It seems like sensory loss, right?

Yes. Should I note this as a temporary condition?

Of course, we experienced a period of trial and error.

One of the subjects died.

Even after the second and third deaths...

We just lost our third subject.

They were obsessed with the research.

Because it almost worked once.

It was unfortunate

but the tests yielded extremely valuable data.

None of this would have been possible without the team's dedication.

It was madness.

And it caught up to them.

Insignificant problems led to severe restrictions.

The government opened an investigation into the experiment.

Aren't you overreacting?

They agreed to the experiment, knowing the risks.

This was all done with their consent.

Regardless of what's legal or not,

the problem is that we used homeless people.

I understand why the investor is anxious.

This exposure could be very damaging to him and to his company.

This means that Dr. Myung, as the lead researcher,

will be held responsible.

And you also, as a lead researcher of these experiments.

For now, all of you have to fly back to Korea.

We must keep what happened here between us.

And obviously, we have to make sure that we never betray one another.

What does my son have to do with this?

Listen to the rest of my story!

Officially, we stopped the experiments.

Our investor and I couldn't abandon what progress we made in San Jose

and give up on the experiments.

So, we came back home

and continued the research in secret.

Once in a while,

you gave us useful hints.

What are you talking about?

Sewon...

We were actually partners the whole time.

Was Dr. Hong monitoring me?

I had no choice.

If I refused, who knows what they would have done to me.

Dr. Yoojin was appointed director of the BC Medical Center.

They told me to act as Sewon's assistant

and share the lab reports with them.

They wanted me to be a spy.

COPYING 41 FILES FROM BC MEDICAL 65% COMPLETE

But as time passed, I became more fond of him.

I would like to apply your research data to axion voltage.

Really?

Yes, it's a little better than the preexisting research data.

I really grew to like the guy.

I know it's hard to believe, but it's true.

What are we waiting for? Let's do it!

We're still waiting on the results, so I'll check once we get them.

But then, a tragedy happened.

Everyone thought Sewon was crazy

for showing up to work the day after his son's funeral.

Sewon, you okay?

No.

I'm having trouble with the fiber optics.

No, not that. I'm talking about you.

I'm sorry.

I can't imagine how you feel,

how heartbroken you must be.

I can't even imagine.

A broken heart...

doesn't change a thing.

Is your wife okay?

She's acting irrationally.

She's going through a lot.

She thinks Doyoon is alive.

She's suffering from hallucinations due to severe stress.

Please start the centrifuge.

And Dr. Koh's wife tried committing suicide not long after that?

Yes.

And did Dr. Koh seem suspicious at any time about what happened to her?

No, he didn't.

He didn't act differently at all, which made me feel sorry for him.

I didn't see any difference.

Until...

Until what?

Until a man came to see me.

There was something suspicious about him.

Dr. Namil Hong?

Yes, hello. How can I help you?

You work with Dr. Sewon Koh, yes?

I do. Who are you?

I'm an investigator from Hanshin Life Insurance.

Dr. Koh recently took out a policy in his wife's name.

I'm reaching out to a few of his acquaintances. Just protocol.

I knew that Sewon was not interested in money.

So I reported it to Dr. Myung, through Secretary Yoon.

Yoon said he would take care of it.

And then...

Kangmu Lee, a former detective,

has died in a car crash after his vehicle slipped off the road.

There were no other passengers in the vehicle.

The police are looking for witnesses.

They believe he fell asleep at the wheel,

possibly intoxicated.

That's when I realized...

that what happened to Sewon wasn't a coincidence.

His son died in a fire.

His wife attempted suicide.

And the investigator looking into him died too.

And it happened right after I, like an idiot, told Yoon about Kangmu.

Yet you didn't share any of this with the police.

And you didn't tell Dr. Koh.

I thought they'd kill me if I did.

But that's when an opportunity arose...

And I did something impulsive.

When I found out that Kangmu's corpse turned up at our morgue...

You have access to the morgue.

Sewon!

If you want it so badly,

I do have an idea.

You mean you purposefully led Dr. Koh to Kangmu's body?

What for?

I was hoping he'd find something by syncing with Kangmu.

Sewon...

I'm dying.

Cancer has spread to almost every organ in my body.

You could say I'm essentially a dead man.

It's a shame, no?

Everything inside of me is rotting.

Don't expect any sympathy from me.

I'm only here for my son.

You spend your life studying and learning,

and just when you're starting to get it, you die.

Then the newborns arrive and have to start all over again.

If you want the world to truly progress,

well then, valuable brains have to be preserved!

And that's why I'm going to take something

which only exists in science fiction or religion,

and make it reality.

I made the resolution...

And finally, I have succeeded.

Immortality.

Immortality?

Why are you talking about such a delusional concept right now?

You've experienced it.

If you brain sync with the dead,

their memories, preferences, and habits are passed on to you.

And so, if you took just a few more steps,

wouldn't you be able to transfer an entire human consciousness into AI?

Don't tell me...

That's right, Sewon.

I'm going to transfer my consciousness to your son...

whose brain structure is the same as yours.

This is my gift to humanity.

An entrance into the realm of gods!

An exceptionally large hippocampus.

Young, lively neurons, and remarkable neuroplasticity...

Doyoon's brain is truly perfect.

The third great opportunity that came into my life...

was meeting your son, Doyoon.

Have you lost your goddamn mind?

Son...

You're a scientist.

Don't misunderstand me with unscientific conjectures.

This isn't simply a base ambition to extend one's life.

Its value transcends everything.

Can you imagine?

My consciousness in Doyoon's brain.

I will become both your father and your son.

If what you say is true...

my son will be lost forever.

He'll be nothing but a hollow shell, you fucking psycho!

Speak! Where is my son?

Tell me!

Tell me!

I said tell me!

You've changed so much.

I admire your willingness to sacrifice yourself for your son.

You don't want to lose him.

I feel exactly the same about you.

I don't want to lose you either.

I wish I had more time to think it over.

But I'm running out of time.

This old body will soon give out.

It will all be over by this time tomorrow.

I knew they were coming for me.

That's why I ran.

So, you know nothing about the man who tried to kill you?

Wait... I met him once.

Where?

Secretary Yoon instructed me to hand him the lab reports.

In a dark alley somewhere.

And after I handed them over...

I think I saw him talking to someone

who runs a temp job agency or a debt collection company.

I think they knew each other.

QUICK LOANS

I'm looking for someone.

Can you tell me if you know this man?

I can't say. I don't think I've met him.

A lot of people come here to find temp jobs,

so it's hard for me to remember every face.

Is that right?

How can I help you remember?

MR. CHANG - RUN

- Hey, that car! - Damn it...

Alpha-Romeo B9, pursuing suspect!

Block off both sides of Yongin Road!

Ah shit...

Officer Kim, block the road over there.

Excuse me, this is a checkpoint. Where are you coming from?

Oh, man...

I think this is it.

Vehicle found.

The suspect isn't here.

Yeah... They've blocked the roads.

I'm trapped.

I don't think I can take the normal routes right now.

Ah shit...

I'm climbing a hill.

Ah, I can see...

the Yongin rest stop from here.

Stay there. I'll send someone to pick you up.

Will this be a problem for us?

I'll make sure it won't.

Now you know the whole truth...

But they all vanished into thin air.

What are you going to do now?

No idea.

You can't just sit around. You have to find a way.

We're out of time.

If I don't find Doyoon soon...

he will completely cease to exist.

Jaeyi insisted that Doyoon was alive, but...

I was lost in my own world.

I...

I ruined my family.

So ultimately, your wife was right.

But...

I wonder how she knew.

Could it be something she saw...

or heard?

Yes, Jaeyi.

She must've seen an important clue.

So, now you know what to do.

But if I'm going to sync with her...

I need Dr. Hong.

Can you forgive him?

I don't have time to worry about that.

I need his help right away.

Where's my phone?

Go ahead, answer the phone.

Hello?

Namil.

Sewon...

- I'm sorry... - Not now.

Dr. Hong, I need your help.

Tell me. I'll do anything.

I need to sync with Jaeyi one more time.

Syncing brains with a living person is too unstable!

That's why I need you to help me.

Jaeyi or I could have a seizure.

I need someone to monitor the sync.

Namil...

This is the last chance for me to find my boy.

Please help me.

Why the fuck are you sitting back here?

Hey, man.

What's up? Let's go.

YONGIN REST STOP

- Where's the car? - Over there.

- You alone? - Yeah.

You gonna be okay at the checkpoints?

Don't worry about it.

Fuck!

Did Yoon send you?

Fucking unbelievable.

The entrance is over there.

- Did you call? - Yes, I think I just saw this man.

Where?

- Block off the whole area. - Yes, ma'am.

Jaeyi...

Help me find Doyoon.

Sewon. Let's begin.

Oh...

I thought you couldn't make it.

It's been a while.

Huh? This place?

I guess so. Not since we got married.

It's good to see you, even if it's not real.

Thank goodness.

What's gotten into you?

Jaeyi.

I need to tell you something.

Right now?

Now's not a good time.

When you canceled, I invited someone else.

It's very important.

This may be difficult for you to hear or understand.

but hear me out.

Remember the research I've been working on?

Enabling communication between brains.

I finally made it work.

Which means...

I'm inside your brain.

What are you trying to say?

- You fell into a coma. - What?

And when that happened...

I threw myself into my work.

So I could save you, speak to you.

This is why we're able to talk right now.

You're being ridiculous.

Jaeyi...

Everything you said was true.

Doyoon...

He's still alive.

I came all the way here to find Doyoon.

I'm trying to find clues in your memories.

So, please help me out.

Why?

Why are you talking nonsense?

What's wrong with you, seriously?

Jaeyi.

What are you doing here, Dr. Koh?

I'm speaking to my wife.

You showing up like this makes things awkward.

Give us a minute.

Jaeyi? Is that okay?

Let's talk at home later.

Jaeyi, wait. Please listen to me. This is important.

She doesn't want to.

This only concerns my wife.

Since when are you concerned about her?

Who do you think you are, huh?

This is none of your business!

- Jaeyi, let's go. Let's talk outside. - What is wrong with you?

You have no right to talk to her like that!

Who do you think you are, huh?

Huh?

Please stop!

Jaeyi.

Jaeyi!

Jaeyi!

BASED ON "DR. BRAIN" WEBTOON BY HONG JACGA

Subtitles: DUBBING BROTHERS