Through the Darkness

E1. 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.

★ 9.0

E2. 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.

★ 9.0

E3. 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.

★ 9.0

E4. 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.

★ 10.0

E5. 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.

★ 10.0

E6. 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.

★ 10.0