Series

Through the Darkness

2022★ 7.81 seasons

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.

Cast

Featured cast

Kim Nam-gilSong Ha-young

Kim So-jinYoon Tae-goo

Jin Sun-kyuKook Young-soo

RyeounJung Woo-joo

Lee Dae-yeonBaek Jun-shik

Jung Soon-wonNam Il-young

Episodes

1Red Cap IncidentSong Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts.68 min

2Habits of CriminalsHa-yeong consults a criminal to understand a killer’s motives. An arrest leads to a startling interrogation session and a break in the case.67 min

3Ha-yeong Meets Tae-gu AgainThe grisly murder of a child catches the attention of Ha-yeong and Yeong-su. A determined police captain clashes with the team.70 min

4What Must We Remember?When a suspect’s home is searched, the police make a gruesome discovery. Ha-yeong and Yeong-su grow frustrated as the investigation continues.65 min

5Looking into the Minds of EvilA crooked new police chief causes trouble for the team. The deaths of a professor and his wife touch off a series of brutal murders.68 min

6The Man With the Hiking BootsYoon 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.66 min

7A Scary Wolf Inside the Rabbit BurrowHa-yeong spends time with his mother on his birthday. With two killers on the loose, the investigators are faced with high-pressure stakes.71 min

8There Are No Perfect CrimesA 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.65 min

9Becoming the MonsterThe 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.66 min

10I Just Liked ItDuring interviews and crime scene reenactments, Ha-yeong and the police dive deep into a ruthless suspect's psyche and past trauma.67 min

11The Victims And Their FamiliesA horrific accident forces Ha-yeong to reflect on the mental impact of his work. Meanwhile, two people go missing from a karaoke bar, raising suspici…73 min

12The Hearts of CriminalsPolice and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.68 min

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