Seasons & episodes

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S1 · E1I Am Innocent 2017-06-10 · 77 min＋

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

S1 · E2Just Turn On The Lights 2017-06-11 · 69 min＋

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.

S1 · E3A New Possible Suspect 2017-06-17 · 76 min＋

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.

S1 · E4Kwon Min Ah 2017-06-18 · 69 min＋

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

S1 · E5The Second Huam-dong Case 2017-06-24 · 63 min＋

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.

S1 · E6The Ringtone 2017-06-25 · 64 min＋

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.

S1 · E7Ga Young's Phone 2017-07-01 · 71 min＋

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.

S1 · E8Western Seoul Prosecutors' Office 2017-07-02 · 67 min＋

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.

S1 · E9Special Investigation 2017-07-08 · 66 min＋

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.

S1 · E10Revelation 2017-07-09 · 67 min＋

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.

S1 · E11Cold and Damp 2017-07-15 · 68 min＋

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.

S1 · E12Disbandment 2017-07-16 · 66 min＋

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.

S1 · E130 and 7 2017-07-22 · 67 min＋

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.

S1 · E14Another Body 2017-07-23 · 66 min＋

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

S1 · E15Accomplice 2017-07-29 · 77 min＋

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.

S1 · E16A Monster 2017-07-30 · 86 min＋

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.

S2 · E1Episode 1 2020-08-15 · 59 min＋

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.

S2 · E2Episode 2 2020-08-16 · 64 min＋

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

S2 · E3Episode 3 2020-08-22 · 59 min＋

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.

S2 · E4Episode 4 2020-08-23 · 65 min＋

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

S2 · E5Episode 5 2020-08-29 · 62 min＋

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.

S2 · E6Episode 6 2020-08-30 · 66 min＋

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.

S2 · E7Episode 7 2020-09-05 · 60 min＋

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