Where to watch
Provider data via JustWatch.
Episodes
1Episode 1
May 21, 202554 min
Detective Hansaem suspects Ena after she fails to remember anything about her uncle's murder.
2Episode 2
May 21, 202550 min
A puzzle piece arrives on the same day as a murder, and Hansaem suspects it’s no coincidence.
3Episode 3
May 21, 202552 min
Ena and Hansaem warily work together to solve the case.
4Episode 4
May 21, 202562 min
A prime suspect emerges, but things aren't what they seem.
5Episode 5
May 21, 202557 min
Another puzzle piece arrives, and a new murder case unfolds.
6Episode 6
May 21, 202558 min
The meaning behind the drawings on the puzzle pieces is uncovered.
7Episode 7
May 28, 202553 min
Hansaem makes a shocking discovery and becomes unsure of whom to trust.
8Episode 8
May 28, 202551 min
As the investigation escalates, new suspects begin to emerge.
9Episode 9
May 28, 202549 min
An unexpected suspect is arrested, shocking everyone involved.
10Episode 10
Jun 4, 202549 min
A stunning truth behind the serial murders is revealed.
11Episode 11
Jun 4, 202550 min
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
Tae Dong-su / Captain
Ahn So-yo
Yun Go-eun
Hong Bi-ra
Byeon Ji-yun
Kim Doh-yon
Nam Hyeok-su
Lee Joo-young
Nam Na-ri
Park Gyu-young
Lee Seung-ju
