Episode 1 - I Am Innocent
June 10, 2017 • 77 minutes
As a teen, prosecutor Hwang Si-mok received surgical treatment for his abnormally developed brain, but the procedure left behind serious side effects.
Episode 2 - Just Turn On The Lights
June 11, 2017 • 69 minutes
The convict's 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.
Episode 3 - A New Possible Suspect
June 17, 2017 • 76 minutes
Si-mok volunteers to appear on live national TV to discuss Kang Jin-seob. He also makes a bold promise to find the culprit within two months.
Episode 4 - Kwon Min Ah
June 18, 2017 • 69 minutes
Rumors quickly spread about Si-mok's violent nature. Regardless, he persists in his investigation. He finds his mentee, Young Eun-su, suspicious.
Episode 5 - The Second Huam-dong Case
June 24, 2017 • 63 minutes
Si-mok, puzzled by the details of the most recent murder case, visits the victim's home to seek more clues. Yeo-jin joins him in the investigation.
Episode 6 - The Ringtone
June 25, 2017 • 64 minutes
New pieces of evidence only increase the list of possible suspects. In the midst of the confusion, a few begin to question Si-mok's innocence.
Episode 7 - Ga Young's Phone
July 1, 2017 • 71 minutes
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.
Episode 8 - Western Seoul Prosecutors' Office
July 2, 2017 • 67 minutes
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.
Episode 9 - Special Investigation
July 8, 2017 • 66 minutes
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.
Episode 10 - Revelation
July 9, 2017 • 67 minutes
Fearing for Ga-young's safety, Yeo-jin proceeds to transfer her to a different hospital. A nurse informs Yeo-jin of something strange that happened.
Episode 11 - Cold and Damp
July 15, 2017 • 68 minutes
The truth behind Ga-young's convulsions is revealed. Chang-jun's wife receives a travel ban. Woo-gyun asks Chang-jun to help him get out of his mess.
Episode 12 - Disbandment
July 16, 2017 • 66 minutes
Si-mok and Yeo-jin discover perplexing leads while searching Kyung-wan's basement. Dong-jae goes back to Chang-jun's office to fetch his cell phone.
Episode 13 - 0 and 7
July 22, 2017 • 67 minutes
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.
Episode 14 - Another Body
July 23, 2017 • 66 minutes
Yeo-jin suspects a new killer is involved in the latest murder incident. Meanwhile, Si-mok collapses after leaving the autopsy.
Episode 15 - Accomplice
July 29, 2017 • 77 minutes
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.
Episode 16 - A Monster
July 30, 2017 • 86 minutes
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.
Episode 1 - Episode 1
August 15, 2020 • 59 minutes
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.
Episode 2 - Episode 2
August 16, 2020 • 64 minutes
Police and prosecutors each prepare members for joint discussions on investigative authority. Dong-jae brings Woo Tae-ha some cases of interest.
Episode 3 - Episode 3
August 22, 2020 • 59 minutes
Yeo-jin recruits Geon. Digging into a policeman's death ruled as suicide, Si-mok and Dong-jae find signs that point toward a different story.
Episode 4 - Episode 4
August 23, 2020 • 65 minutes
In a heated first session with prosecutors, Geon makes a pointed argument. At Hanjo, Lee Yeon-jae faces an oncoming family power struggle.
Episode 5 - Episode 5
August 29, 2020 • 62 minutes
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.
Episode 6 - Episode 6
August 30, 2020 • 66 minutes
Si-mok is ordered to find out what Yeo-jin knows about Bit's file. Ahead of a vote on the fate of her seat, Yeon-jae sets up an important meeting.
Episode 7 - Episode 7
September 5, 2020 • 60 minutes
When Si-mok hears who’s gone missing, he starts gathering clues by going through phone records. Yeo-jin begins her own investigation.
Episode 8 - Episode 8
September 6, 2020 • 65 minutes
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.
Episode 9 - Episode 9
September 12, 2020 • 60 minutes
A perplexing photo containing a disturbing message surfaces. The police consider the possibility of the culprit being one of their own.
Episode 10 - Episode 10
September 13, 2020 • 60 minutes
Si-mok turns his attention to an unusual case involving the sudden death of a former prosecutor, and finds that nothing quite adds up.
Episode 11 - Episode 11
September 19, 2020 • 60 minutes
A witness, who says he saw the kidnapping, steps forward to identify the perpetrator. His claims could mean serious trouble for the police.
Episode 12 - Episode 12
September 20, 2020 • 60 minutes
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.
Episode 13 - Episode 13
September 26, 2020 • 60 minutes
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.
Episode 14 - Episode 14
September 27, 2020 • 63 minutes
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.
Episode 15 - Episode 15
October 3, 2020 • 67 minutes
While getting to the truth about the night of the attorney's death, Si-mok and Yeo-jin learn about the involvement of a mystery person.
Episode 16 - Episode 16
October 4, 2020 • 68 minutes
Details of the cover-up become public, but Si-mok isn't finished asking questions. The police-prosecutor council is called off.