Through the Darkness (2022)

1. Red Cap Incident

2022-01-14

Song Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts.

2. Habits of Criminals

2022-01-15

Ha-yeong consults a criminal to understand a killer’s motives. An arrest leads to a startling interrogation session and a break in the case.

3. Ha-yeong Meets Tae-gu Again

2022-01-21

The grisly murder of a child catches the attention of Ha-yeong and Yeong-su. A determined police captain clashes with the team.

4. What Must We Remember?

2022-01-22

When a suspect’s home is searched, the police make a gruesome discovery. Ha-yeong and Yeong-su grow frustrated as the investigation continues.

6. The Man With the Hiking Boots

2022-01-29

Yoon Tae-gu and Kim Bong-sik seek to set boundaries on the behavioral analysis team. A complex investigation sends the police down a twisted path.

7. A Scary Wolf Inside the Rabbit Burrow

2022-02-25

Ha-yeong spends time with his mother on his birthday. With two killers on the loose, the investigators are faced with high-pressure stakes.

8. There Are No Perfect Crimes

2022-02-26

A chase takes a risky turn. When a suspect asks for a high-ranking officer, Ha-yeong hatches a plan. A search for victims' bodies continues.

9. Becoming the Monster

2022-03-04

The behavioral analysis team agrees to an interview with a journalist. Ha-yeong seeks to enter the killer’s mind, but it takes a toll on him.

10. I Just Liked It

2022-03-05

During interviews and crime scene reenactments, Ha-yeong and the police dive deep into a ruthless suspect's psyche and past trauma.

11. The Victims And Their Families

2022-03-11

A horrific accident forces Ha-yeong to reflect on the mental impact of his work. Meanwhile, two people go missing from a karaoke bar, raising suspicions.

12. The Hearts of Criminals

2022-03-12

Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.