Sign (Ssain / 싸인)

= The discovery of the icy cold body of Seo Yoon Hyung, =

= the leader of the country's most popular group, VOICE, has shocked everyone. =

I'm from the Scientific Investigation Unit of Seoul Police, Forensic Investigator, Go Da Kyung.

Let's enter the crime scene and take a look.

Was it murder or suicide?

Do you think it is due to personal feelings that changed suicide into murder?

Changing accidental death into natural death...

and thus overthrowing the autopsy results?

How can there still be such person without manners?

Next time I see him, I will definitely kill him.

This jerk.

Seo Yoon Hyung's autopsy is tomorrow, right?

Just how good he is, I have to see it for myself.

Are you kidding? The most important evidence has been stolen.

There's still another piece of evidence, the most important evidence.

You still haven't given up on NFS?

About this case...you should leave it alone.

Stop joking.

I can not just sit around and watch NFS's autopsy results being tampered with.

This is not Seo Yoon Hyung.

Yoon Ji hoon! Go find Yoon Ji Hoon! Quickly!

I can't tolerate this anymore.

Move aside! Most aside!

You should stop now.

I can't do that.

It's all over for you now.

How did he die? How did he get here? I must get to the bottom of this.

If you leave like this, you won't be able to hear this person's last words.

We are the final hurdle!

Finding out the cause of death is the final hurdle...

What's the cause of death?

Through the corpse, we can see the life of a person.

The heart is strong enough to withstand several 'live' performance everyday.

Doctor, at this rate the door is going to be opened.

Doctor...

Doctor...

Put down the scalpel.

The autopsy is to be performed by me.

Put down the scalpel!

The autopsy for this case is over.

Seo Yoon Hyung's cause of death is...suffocation due to blockage of the oronasal area.

The type of death is clearly a homicide.

=Episode 2=-

How may I help you?

Are you certain?

I am certain.

Death by suffocation due to blockage of the oronasal area, also known as the primary enemy of forensic pathologists.

Silently killing a person, leaving no trace of evidence.

You're saying that you know all these?

There is also another characteristic.

In the situation of suffocating the oronasal area, it's 100% homicide.

Using suffocation of the oronasal area to kill a victim,

is normally used on defenseless children or elderly.

But Seo Yoon Hyung is a strong youth in his early 20s.

Perhaps there were methods to restrain him before committing the crime.

I'll call you later.

What?

The murderer of Seo Yoon Hyung has turned herself in?

Lee Soo Jung?

She claims that Yoon Hyung cheated on her and was philandering, so she decided to kill him.

Has she confessed how she killed him?

Cyanide. Potassium cyanide.

What?

In his drink, I've put in potassium cyanide and gave it to him.

I understand.

Take down her statement first and send her to the detention center.

Seo Yoon Hyung's image assistant, Lee Soo Jung has confessed to the crime.

Potassium cyanide was used.

He was given a drink mixed with potassium cyanide.

That's impossible.

If it was cyanide poisoning, there would've been hemorrhaging in the stomach and mucous membrane of the esophagus.

Also, there wasn't any bitter almond smell.

Only about 50% of the coroners have the ability to distinguish the bitter almond smell.

You are in the 50% that can't.

I was not the only person who performed the autopsy.

Which department are you from?

I'm Go Da Kyung from Seoul Police, CSI team.

Not even a coroner... Do you know the smell of bitter almond?

I do.

You do?

Potassium cyanide...

During the autopsy, if there is a trace of cyanide poison in the corpse,

it would give off a distinct cyanide smell near the nose, the mouth and in the stomach.

About 55% of people are not able to recognize the smell, but I can.

I've encountered the smell many times during my internship at the hospital.

However, during this autopsy there was no such smell.

Seo Yoon Hyung did not die of cyanide poisoning.

We cannot rule out the possibility of cyanide poisoning just by relying on the sense of smell.

We will know only after analyzing the blood samples.

Please leave now.

I can't trust the National Forensic Service (NFS) anymore.

So?

The samples for the Seo Yoon Hyung case...

I'm going to bring them to the Public Prosecutor's Office DFC Group, where I am the consultant.

That is where I would do my investigation.

You can't do that.

The autopsy is part of the investigation, the person conducting the investigation is the prosecutor.

Prosecutor Jung Woo Jin, what do you think?

Please hand over the samples.

I will take them to the DFC Group for investigation.

Prosecutor Jung Woo Jin.

I can no longer tolerate you ignoring a prosecutor anymore!

I can't tolerate this as well.

This is the sacred autopsy room.

It is here that we listen to the last words of the deceased.

No high-ranking personnel can infringe in this place.

The victim is lying here.

In front of the victim's corpse, I cannot tolerate any nonsense.

The blood samples will be analyzed by NFS.

When the results are out, we will inform you. So please leave.

Director,

are you treating the prosecutor as your enemy now?

I will be responsible for everything.

Please leave.

This happened because of me, I'll take full responsibility for it.

You are a NFS coroner.

The NFS is the nation's largest forensic investigation institution.

This has to do with the NFS's prestige.

Deliver the samples to the lab...

please put a rush on it.

It's an emergency!

I heard that Dr. Yoon Ji Hoon caused trouble again.

That guy is really unpredictable.

Give them to me.

This is Jung Woo Jin from Seoul Prosecutor's Office.

May I speak with Judge Yoon Dae On, please.

What's wrong?

Prosecutor Jung Woo Jin called for us.

You aren't leaving?

Excuse me, may I do the suturing?

Thank you!

Wow, so serious.

Is there something exciting you expect to see here?

I'm asking you, what's so exciting?

Get out, you guys are an eyesore.

Don't be like this, don't you know what the situation is like right now?

Please do it quickly.

That's right, you're not preparing food, why are you taking your time?

When the results come out, I'll give them to you.

So please get out, okay?

Right now, what kind of situation is this?

Weather the potassium cyanide can be traced,

would allow me to decide if Lee Myung Han or Yoon Ji Hoon is more influential.

Hyeong (older friend/buddy), why are you talking about taking sides?

Of course there would be no trace of potassium cyanide.

This is no longer about Dr. Yoon Ji Hoon.

It is about the pride of the NFS.

Is taking sides more important?

-Hey! -You scared me...

Out! Everybody out!

Can't you see that I'm busy?!

- Get out! - Don't be like this.

Dr. Hong! Dr. Hong!

What is it?

Please come here and take a look.

Huh?

Will it be all right?

I'm not sure.

It's impossible to be all right.

What about you? Are you all right?

This... It's impossible to be all right.

Director, something big has happened!

What's the matter?

Because you didn't cooperate with the Prosecutor,

according to article 215, line 1 of the constitution,

we will confiscate from National Forensic Service,

all samples and data related to Seo Yoon Hyung's case.

Start the search!

Yes!

You can't do this!

You can't take these away!

I've told you, those are not related to Seo Yoon Hyung's case.

Prosecutor Jung.

NFS is a recognized national institution.

Do you understand the trouble you are in now?

I'm investigating Seo Yoon Hyung's case, associated with

NFS suspected corruption.

Jung Woo Jin.

The computer files and data of the doctor in-charge of the autopsy...

also confiscate them.

Yes!

What is it?

This is the warrant to confiscate Seo Yoon Hyung's body and all related evidences.

What?

Confiscate it.

Excuse me, please wait for awhile. I'm not done yet.

Hurry up, let's go.

Please Wait! Please wait!

I'm not done stitching it up yet!

Ji Hoon.

I cannot give up.

Regardless of the samples, evidence or the corpse,

that were all taken away.

There's no more way.

When my father died, isn't it the same?

That time, the crime scene was destroyed too.

There was not even a piece of evidence.

At that time, Director, you also did not give up.

It's because you didn't give up, that is why we found out the real cause of my father's death.

It was different back then.