Stranger (2017)

1 -

On a foggy night, two college students drown at the beach. While Si-mok investigates, Yeo-jin tracks down a man who was at the scene of the incident.

1 - I Am Innocent

As a teen, prosecutor Hwang Si-mok received surgical treatment for his abnormally developed brain, but the procedure left behind serious side effects.

2 -

Police and prosecutors each prepare members for joint discussions on investigative authority. Dong-jae brings Woo Tae-ha some cases of interest.

2 - Just Turn On The Lights

The convicts strong plea for his innocence prompts Si-mok to review the CCTV clip. At the Yongsan police station, he runs into officer Han Yeo-jin.

3 -

Yeo-jin recruits Geon. Digging into a policemans death ruled as suicide, Si-mok and Dong-jae find signs that point toward a different story.

4 -

In a heated first session with prosecutors, Geon makes a pointed argument. At Hanjo, Lee Yeon-jae faces an oncoming family power struggle.

4 - Kwon Min Ah

Rumors quickly spread about Si-moks violent nature. Regardless, he persists in his investigation. He finds his mentee, Young Eun-su, suspicious.

5 -

At the prison to interrogate an inmate, Yeo-jin runs into Si-mok and Dong-jae. Choi Bit has Yeo-jin deliver a mysterious file to an assemblyman.

5 - The Second Huam-dong Case

Si-mok, puzzled by the details of the most recent murder case, visits the victims home to seek more clues. Yeo-jin joins him in the investigation.

6 -

Si-mok is ordered to find out what Yeo-jin knows about Bits file. Ahead of a vote on the fate of her seat, Yeon-jae sets up an important meeting.

6 - The Ringtone

New pieces of evidence only increase the list of possible suspects. In the midst of the confusion, a few begin to question Si-moks innocence.

7 -

When Si-mok hears whos gone missing, he starts gathering clues by going through phone records. Yeo-jin begins her own investigation.

7 - Ga Young's Phone

Si-mok and Yeo-jin team up to covertly pursue Seo Dong-jae. Just as Dong-jae is about to throw something into the Han River, Yeo-jin stops him.

8 -

Leading police efforts to locate Dong-jae, Yeo-jin connects the case to that of the dead policeman. Si-mok pays Yeon-jae a visit.

8 - Western Seoul Prosecutors' Office

Enraged by what the police did to Park Kyung-wan, Yeo-jin tries to confront her superior but is stopped by Si-mok, who warns her of the consequences.

9 -

A perplexing photo containing a disturbing message surfaces. The police consider the possibility of the culprit being one of their own.

9 - Special Investigation

Si-mok selects key lawyers and police officers to be part of the special investigations team. Their probe begins with Dong-jae as the starting point.

10 -

Si-mok turns his attention to an unusual case involving the sudden death of a former prosecutor, and finds that nothing quite adds up.

10 - Revelation

Fearing for Ga-youngs safety, Yeo-jin proceeds to transfer her to a different hospital. A nurse informs Yeo-jin of something strange that happened.

11 -

A witness, who says he saw the kidnapping, steps forward to identify the perpetrator. His claims could mean serious trouble for the police.

11 - Cold and Damp

The truth behind Ga-youngs convulsions is revealed. Chang-juns wife receives a travel ban. Woo-gyun asks Chang-jun to help him get out of his mess.

12 -

Taken off the case, Si-mok and Yeo-jin return to their work on the police-prosecutor council. Tae-ha and Bit head to a sensitive meeting together.

12 - Disbandment

Si-mok and Yeo-jin discover perplexing leads while searching Kyung-wans basement. Dong-jae goes back to Chang-juns office to fetch his cell phone.

13 -

Kang Won-chul weighs a dilemma, and fields questions from Si-mok about the deceased attorney. A young prosecutor has something to show Si-mok.

13 - 0 and 7

Returning home from the rooftop party, Si-mok discovers that an intruder has left something in his bedroom. Yeo-jin and Geon come over right away.

14 - Another Body

Yeo-jin suspects a new killer is involved in the latest murder incident. Meanwhile, Si-mok collapses after leaving the autopsy.

14 -

A suspect is arrested, but Dong-jae remains nowhere to be found. In the interrogation room, Si-mok and Yeo-jin try to draw out a confession.

15 -

While getting to the truth about the night of the attorneys death, Si-mok and Yeo-jin learn about the involvement of a mystery person.

15 - Accomplice

Yeo-jin collects evidence as Si-mok interrogates the suspect. Many questions get answered, but the most important problem of all remains to be solved.

16 -

Details of the cover-up become public, but Si-mok isnt finished asking questions. The police-prosecutor council is called off.

16 - A Monster

Si-mok sets out to meet the one he believes is the real murderer. He gets his hands on a bag that will determine the futures of many people.