7.9/1070 votes#1 - Red Cap Incident
Season 1 Episode 1 - Aired 1/14/2022
Song Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts.
Director: Park Bo-ram
Writer: Seol Yi-na
8.0/1057 votes#2 - Habits of Criminals
Season 1 Episode 2 - Aired 1/15/2022
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.
Director: Park Bo-ram
Writer: Seol Yi-na
8.0/1047 votes#3 - Ha-yeong Meets Tae-gu Again
Season 1 Episode 3 - Aired 1/21/2022
The grisly murder of a child catches the attention of Ha-yeong and Yeong-su. A determined police captain clashes with the team.
Director: Park Bo-ram
Writer: Seol Yi-na
8.2/1046 votes#4 - What Must We Remember?
Season 1 Episode 4 - Aired 1/22/2022
When a suspect’s home is searched, the police make a gruesome discovery. Ha-yeong and Yeong-su grow frustrated as the investigation continues.
Director: Park Bo-ram
Writer: Seol Yi-na
7.9/1042 votes#5 - Looking into the Minds of Evil
Season 1 Episode 5 - Aired 1/28/2022
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.
Director: Park Bo-ram
Writer: Seol Yi-na
7.9/1041 votes#6 - The Man With the Hiking Boots
Season 1 Episode 6 - Aired 1/29/2022
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.
Director: Park Bo-ram
Writer: Seol Yi-na
8.3/1042 votes#7 - A Scary Wolf Inside the Rabbit Burrow
Season 1 Episode 7 - Aired 2/25/2022
Ha-yeong spends time with his mother on his birthday. With two killers on the loose, the investigators are faced with high-pressure stakes.
Director: Park Bo-ram
Writer: Seol Yi-na
8.2/1043 votes#8 - There Are No Perfect Crimes
Season 1 Episode 8 - Aired 2/26/2022
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.
Director: Park Bo-ram
Writer: Seol Yi-na
8.1/1040 votes#9 - Becoming the Monster
Season 1 Episode 9 - Aired 3/4/2022
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.
Director: Park Bo-ram
Writer: Seol Yi-na
8.4/1045 votes#10 - I Just Liked It
Season 1 Episode 10 - Aired 3/5/2022
During interviews and crime scene reenactments, Ha-yeong and the police dive deep into a ruthless suspect's psyche and past trauma.
Director: Park Bo-ram
Writer: Seol Yi-na
8.1/1041 votes#11 - The Victims And Their Families
Season 1 Episode 11 - Aired 3/11/2022
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.
Director: Park Bo-ram
Writer: Seol Yi-na
8.5/1051 votes#12 - The Hearts of Criminals
Season 1 Episode 12 - Aired 3/12/2022
Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.
Director: Park Bo-ram
Writer: Seol Yi-na
The Best Episodes of Through the Darkness Season 1
Every episode of Through the Darkness Season 1 ranked from best to worst. Discover the Best Episodes of Through the Darkness Season 1!
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.
Genres:CrimeDramaMystery
Network:SBS
Season 1 Ratings Summary
"Red Cap Incident" is the best rated episode of "Through the Darkness" season 1. It scored 7.9/10 based on 70 votes. Directed by Park Bo-ram and written by Seol Yi-na, it aired on 1/14/2022. This episode is rated 0.1 points higher than the second-best, "Habits of Criminals".