Through the Darkness — Season 1
A team of tenacious detectives study the minds of murderers at a time when Korea's first serial murders terrorized the nation. Based on true events.
About this season
A team of tenacious detectives study the minds of murderers at a time when Korea's first serial murders terrorized the nation. Based on true events.
Episodes (12)
1. Red Cap Incident
9.0Aired 14 January 2022 • 68 min
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
9.0Aired 15 January 2022 • 67 min
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
9.0Aired 21 January 2022 • 70 min
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?
10.0Aired 22 January 2022 • 65 min
When a suspect’s home is searched, the police make a gruesome discovery. Ha-yeong and Yeong-su grow frustrated as the investigation continues.
5. Looking into the Minds of Evil
10.0Aired 28 January 2022 • 68 min
A crooked new police chief causes trouble for the team. The deaths of a professor and his wife touch off a series of brutal murders.
6. The Man With the Hiking Boots
10.0Aired 29 January 2022 • 66 min
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
10.0Aired 25 February 2022 • 71 min
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
10.0Aired 26 February 2022 • 65 min
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
10.0Aired 4 March 2022 • 66 min
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
10.0Aired 5 March 2022 • 67 min
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
10.0Aired 11 March 2022 • 73 min
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
10.0Aired 12 March 2022 • 68 min
Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.