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.
#1 | 01/14/2022Red Cap Incident
Song Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts.
#2 | 01/15/2022Habits of Criminals
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 | 01/21/2022Ha-yeong Meets Tae-gu Again
The grisly murder of a child catches the attention of Ha-yeong and Yeong-su. A determined police captain clashes with the team.
#4 | 01/22/2022What 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.
#5 | 01/28/2022Looking into the Minds of Evil
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 | 01/29/2022The Man With the Hiking Boots
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 | 02/25/2022A Scary Wolf Inside the Rabbit Burrow
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 | 02/26/2022There Are No Perfect Crimes
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 | 03/04/2022Becoming the Monster
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 | 03/05/2022I Just Liked It
During interviews and crime scene reenactments, Ha-yeong and the police dive deep into a ruthless suspect's psyche and past trauma.
#11 | 03/11/2022The Victims And Their Families
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 | 03/12/2022The Hearts of Criminals
Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.
#13Episode 13
#14Episode 14
#15Episode 15
#16Episode 16