Season 1

• 

  8.9/1026 votes

  Episode 1

  Season 1 Episode 1 - Aired 5/21/2025

  Detective Hansaem suspects Ena after she fails to remember anything about her uncle's murder.

  Director: Yoon Jong-bin

  Writer: Lee Eun-mi

• 

  8.8/1024 votes

  Episode 2

  Season 1 Episode 2 - Aired 5/21/2025

  A puzzle piece arrives on the same day as a murder, and Hansaem suspects it’s no coincidence.

  Director: Yoon Jong-bin

  Writer: Lee Eun-mi

• 

  9.0/1022 votes

  Episode 3

  Season 1 Episode 3 - Aired 5/21/2025

  Ena and Hansaem warily work together to solve the case.

  Director: Yoon Jong-bin

  Writer: Lee Eun-mi

• 

  9.4/1021 votes

  Episode 4

  Season 1 Episode 4 - Aired 5/21/2025

  A prime suspect emerges, but things aren't what they seem.

  Director: Yoon Jong-bin

  Writer: Lee Eun-mi

• 

  9.3/1020 votes

  Episode 5

  Season 1 Episode 5 - Aired 5/21/2025

  Another puzzle piece arrives, and a new murder case unfolds.

  Director: Yoon Jong-bin

  Writer: Lee Eun-mi

• 

  9.6/1021 votes

  Episode 6

  Season 1 Episode 6 - Aired 5/21/2025

  The meaning behind the drawings on the puzzle pieces is uncovered.

  Director: Yoon Jong-bin

  Writer: Lee Eun-mi