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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.

Episodes

  • E01 Red Cap Incident

    ★ 9.0

    Jan 14, 2022 · 1h 8m

    Song Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts.

  • E02 Habits of Criminals

    ★ 9.0

    Jan 15, 2022 · 1h 7m

    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.

  • E03 Ha-yeong Meets Tae-gu Again

    ★ 9.0

    Jan 21, 2022 · 1h 10m

    The grisly murder of a child catches the attention of Ha-yeong and Yeong-su. A determined police captain clashes with the team.

  • E04 What Must We Remember?

    ★ 10.0

    Jan 22, 2022 · 1h 5m

    When a suspect’s home is searched, the police make a gruesome discovery. Ha-yeong and Yeong-su grow frustrated as the investigation continues.

  • E05 Looking into the Minds of Evil

    ★ 10.0

    Jan 28, 2022 · 1h 8m

    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.

  • E06 The Man With the Hiking Boots

    ★ 10.0

    Jan 29, 2022 · 1h 6m

    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.

  • E07 A Scary Wolf Inside the Rabbit Burrow

    ★ 10.0

    Feb 25, 2022 · 1h 11m

    Ha-yeong spends time with his mother on his birthday. With two killers on the loose, the investigators are faced with high-pressure stakes.

  • E08 There Are No Perfect Crimes

    ★ 10.0

    Feb 26, 2022 · 1h 5m

    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.

  • E09 Becoming the Monster

    ★ 10.0

    Mar 4, 2022 · 1h 6m

    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.

  • E10 I Just Liked It

    ★ 10.0

    Mar 5, 2022 · 1h 7m

    During interviews and crime scene reenactments, Ha-yeong and the police dive deep into a ruthless suspect's psyche and past trauma.

  • E11 The Victims And Their Families

    ★ 10.0

    Mar 11, 2022 · 1h 13m

    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.

  • E12 The Hearts of Criminals

    ★ 10.0

    Mar 12, 2022 · 1h 8m

    Police and the analysis team investigate a murder suspect who is known for charming women and luring them into his car.