Through the Darkness - Season 1
1 - Red Cap Incident
Air Date: January 14, 2022
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
Air Date: January 15, 2022
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
Air Date: January 21, 2022
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?
Air Date: January 22, 2022
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
Air Date: January 28, 2022
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
Air Date: January 29, 2022
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
Air Date: February 25, 2022
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
Air Date: February 26, 2022
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
Air Date: March 4, 2022
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
Air Date: March 5, 2022
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
Air Date: March 11, 2022
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
Air Date: March 12, 2022
Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.