Season 1 poster
← Through the Darkness

Season 1

12 episodes · 14th January 2022

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.

Season details

Details

Episode guide

Episodes

01 Red Cap Incident still Red Cap Incident Episode 114th January 2022 Song Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts. 02 Habits of Criminals still Habits of Criminals Episode 215th January 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. 03 Ha-yeong Meets Tae-gu Again still Ha-yeong Meets Tae-gu Again Episode 321st January 2022 The grisly murder of a child catches the attention of Ha-yeong and Yeong-su. A determined police captain clashes with the team. 04 What Must We Remember? still What Must We Remember? Episode 422nd January 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. 05 Looking into the Minds of Evil still Looking into the Minds of Evil Episode 528th January 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. 06 The Man With the Hiking Boots still The Man With the Hiking Boots Episode 629th January 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. 07 A Scary Wolf Inside the Rabbit Burrow still A Scary Wolf Inside the Rabbit Burrow Episode 725th February 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. 08 There Are No Perfect Crimes still There Are No Perfect Crimes Episode 826th February 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. 09 Becoming the Monster still Becoming the Monster Episode 94th March 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 still I Just Liked It Episode 105th March 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 still The Victims And Their Families Episode 1111th March 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 still The Hearts of Criminals Episode 1212th March 2022 Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.
Talent

Cast & Crew

01 Kim Nam-gil profile Kim Nam-gilas Song Ha-young 02 Kim So-jin profile Kim So-jinas Yoon Tae-goo 03 Jin Sun-kyu profile Jin Sun-kyuas Kook Young-soo 04 Ryeoun profile Ryeounas Jung Woo-joo 05 Lee Dae-yeon profile Lee Dae-yeonas Baek Jun-shik 06 Jung Soon-won profile Jung Soon-wonas Nam Il-young 07 Kim Won-hae profile Kim Won-haeas Heo Gil-pyo 08 Hong Woo-jin profile Hong Woo-jinas Oh In-tak 09 Jo Young-jin profile Jo Young-jinas Lee Jin-chul 10 Lee Haney profile Lee Haneyas Im Moo-sik 11 Kim Hye-ok profile Kim Hye-okas Park Young-shin 12 Seo Dong-gab profile Seo Dong-gabas Kim Bong-shik
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