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Through the Darkness

TV·2022–2022·1 season, 12 episodes·SBS·Crime, Drama, Mystery·1h 7m·Created by Kim Mi-joo, Lee Seul-gi

Streaming on (US) OnDemandKoreaKocowa Amazon ChannelSee all

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.

Highest-rated episodes all ranked

  1. 01Through the Darkness S01E04What Must We Remember?S01E04 · 10.0When a suspect’s home is searched, the police make a gruesome discovery. Ha-yeong and Yeong-su grow frustrated as the investigation continues.
  2. 02Through the Darkness S01E05Looking into the Minds of EvilS01E05 · 10.0A crooked new police chief causes trouble for the team. The deaths of a professor and his wife touch off a series of brutal murders.
  3. 03Through the Darkness S01E06The Man With the Hiking BootsS01E06 · 10.0Yoon 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.

Castfull cast & details

Kim Nam-gilKim Nam-gilSong Ha-youngKim So-jinKim So-jinYoon Tae-gooJin Sun-kyuJin Sun-kyuKook Young-sooRyeounRyeounJung Woo-jooLee Dae-yeonLee Dae-yeonBaek Jun-shikJung Soon-wonJung Soon-wonNam Il-youngKim Won-haeKim Won-haeHeo Gil-pyoHong Woo-jinHong Woo-jinOh In-tak

Episodes by season

Season01Episode ratings across the season — the gold bar is its best episode12Episodes2022Aired 9.8Season avg
  1. S01E01Through the Darkness S01E01Red Cap IncidentJanuary 14, 2022 9.0Song Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts.
  2. S01E02Through the Darkness S01E02Habits of CriminalsJanuary 15, 2022 9.0Ha-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. S01E03Through the Darkness S01E03Ha-yeong Meets Tae-gu AgainJanuary 21, 2022 9.0The grisly murder of a child catches the attention of Ha-yeong and Yeong-su. A determined police captain clashes with the team.
  4. S01E04Through the Darkness S01E04Season's bestWhat Must We Remember?January 22, 2022 10.0When a suspect’s home is searched, the police make a gruesome discovery. Ha-yeong and Yeong-su grow frustrated as the investigation continue
  5. S01E05Through the Darkness S01E05Looking into the Minds of EvilJanuary 28, 2022 10.0A 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. S01E06Through the Darkness S01E06The Man With the Hiking BootsJanuary 29, 2022 10.0Yoon Tae-gu and Kim Bong-sik seek to set boundaries on the behavioral analysis team. A complex investigation sends the police down a twisted
  7. S01E07Through the Darkness S01E07A Scary Wolf Inside the Rabbit BurrowFebruary 25, 2022 10.0Ha-yeong spends time with his mother on his birthday. With two killers on the loose, the investigators are faced with high-pressure stakes.
  8. S01E08Through the Darkness S01E08There Are No Perfect CrimesFebruary 26, 2022 10.0A 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. S01E09Through the Darkness S01E09Becoming the MonsterMarch 4, 2022 10.0The 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. S01E10Through the Darkness S01E10I Just Liked ItMarch 5, 2022 10.0During interviews and crime scene reenactments, Ha-yeong and the police dive deep into a ruthless suspect's psyche and past trauma.
  11. S01E11Through the Darkness S01E11The Victims And Their FamiliesMarch 11, 2022 10.0A horrific accident forces Ha-yeong to reflect on the mental impact of his work. Meanwhile, two people go missing from a karaoke bar, raisin
  12. S01E12Through the Darkness S01E12The Hearts of CriminalsMarch 12, 2022 10.0Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.

Season 1 ranked & reviewed

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