Season 1

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  8.9/1046 votes

  Episode 1

  Season 1 Episode 1 - Aired 9/5/2025

  When a series of terrible murders ensues in a residential area, Cha Su-yeol is forced to seek help from Jeong I-sin, a serial killer from the past.

  Director: Unknown

  Writer: Unknown

• 

  8.6/1039 votes

  Episode 2

  Season 1 Episode 2 - Aired 9/6/2025

  The culprit has been arrested, but the victim’s whereabouts remain unknown. Su-yeol struggles to save a life as I-sin reveals her true intentions.

  Director: Unknown

  Writer: Unknown

• 

  8.9/1035 votes

  Episode 3

  Season 1 Episode 3 - Aired 9/12/2025

  I-shin offers assistance with the investigation, but it's unclear why she would help a cop. Su-yeol unravels the origins of I-shin's murderous instinct.

  Director: Unknown

  Writer: Unknown

• 

  8.7/1033 votes

  Episode 4

  Season 1 Episode 4 - Aired 9/13/2025

  The culprit begins to close in on Su-yeol's family. I-shin pressures Su-yeol to take action — but she happens to be the one threatening his family.

  Director: Unknown

  Writer: Unknown

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  8.5/1031 votes

  Episode 5

  Season 1 Episode 5 - Aired 9/19/2025

  Su-yeol finds I-shin in his home after she vanishes under police watch. The killer demands to speak to I-shin and gives her a hint about the plan.

  Director: Unknown

  Writer: Unknown

• 

  8.6/1030 votes

  Episode 6

  Season 1 Episode 6 - Aired 9/20/2025

  Shaken by recent events, Su-yeol attempts to confide in Lee Jung-yeon. During a tense call, I-shin manipulates the killer into exposing a crucial lead.

  Director: Unknown

  Writer: Unknown

• 

  8.4/1027 votes

  Episode 7

  Season 1 Episode 7 - Aired 9/26/2025

  As Jung-yeon copes with the truth of Su-yeol's past, the killer reveals their identity — and takes a hostage, forcing Su-yeol into a dangerous bargain.

  Director: Unknown

  Writer: Unknown

• 

  8.9/1032 votes

  Episode 8

  Season 1 Episode 8 - Aired 9/27/2025

  After a tense hostage exchange, I-shin confronts her protégé. Su-yeol makes a grim discovery about his family's fractured past.

  Director: Unknown

  Writer: Unknown