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 | 14.01.2022Episode 1 (Red 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 | 15.01.2022Episode 2 (Habits 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 | 21.01.2022Episode 3 (Ha-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 | 22.01.2022Episode 4 (What 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 | 28.01.2022Episode 5 (Looking 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 | 29.01.2022Episode 6 (The 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 | 25.02.2022Episode 7 (A 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 | 26.02.2022Episode 8 (There 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 | 04.03.2022Episode 9 (Becoming 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 | 05.03.2022Episode 10 (I 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 | 11.03.2022Episode 11 (The 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 | 12.03.2022Episode 12 (The 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