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Official trailer
Episodes
E11. Episode 1
2025 · 54m · ★ 7.8
Detective Hansaem suspects Ena after she fails to remember anything about her uncle's murder.
E22. Episode 2
2025 · 50m · ★ 8.0
A puzzle piece arrives on the same day as a murder, and Hansaem suspects it’s no coincidence.
E33. Episode 3
2025 · 52m · ★ 7.8
Ena and Hansaem warily work together to solve the case.
E44. Episode 4
2025 · 1h 2m · ★ 8.1
A prime suspect emerges, but things aren't what they seem.
E55. Episode 5
2025 · 57m · ★ 7.5
Another puzzle piece arrives, and a new murder case unfolds.
E66. Episode 6
2025 · 58m · ★ 7.8
The meaning behind the drawings on the puzzle pieces is uncovered.
E77. Episode 7
2025 · 53m · ★ 8.6
Hansaem makes a shocking discovery and becomes unsure of whom to trust.
E88. Episode 8
2025 · 51m · ★ 7.7
As the investigation escalates, new suspects begin to emerge.
E99. Episode 9
2025 · 49m · ★ 8.0
An unexpected suspect is arrested, shocking everyone involved.
E1010. Episode 10
2025 · 49m · ★ 8.5
A stunning truth behind the serial murders is revealed.
E1111. Episode 11
2025 · 50m · ★ 8.6
The final puzzle piece arrives will the team be able to catch the killer in time?
Cast
Kim Da-mi
Yoon Ena
Son Suk-ku
Kim Hansaem
Kim Sung-kyun
Yang Jeong-ho
Hyun Bong-sik
Choi San
Kwak Ja-hyung
Roh Su-kwang
Jang Gyeok-su
Hyeon Ho-geun / Hangang Police Station Chief
Jeong Man-sik
