#1 Episode 1
Detective Hansaem suspects Ena after she fails to remember anything about her uncle's murder.
Release: 2025-05-21Grade
#2 Episode 2
A puzzle piece arrives on the same day as a murder, and Hansaem suspects it’s no coincidence.
Release: 2025-05-21Grade
#3 Episode 3
Ena and Hansaem warily work together to solve the case.
Release: 2025-05-21Grade
#4 Episode 4
A prime suspect emerges, but things aren't what they seem.
Release: 2025-05-21Grade
#5 Episode 5
Another puzzle piece arrives, and a new murder case unfolds.
Release: 2025-05-21Grade
#6 Episode 6
The meaning behind the drawings on the puzzle pieces is uncovered.
Release: 2025-05-21Grade
#7 Episode 7
Hansaem makes a shocking discovery and becomes unsure of whom to trust.
Release: 2025-05-28Grade
#8 Episode 8
As the investigation escalates, new suspects begin to emerge.
Release: 2025-05-28Grade
#9 Episode 9
An unexpected suspect is arrested, shocking everyone involved.
Release: 2025-05-28Grade
#10 Episode 10
A stunning truth behind the serial murders is revealed.
Release: 2025-06-04Grade
#11 Episode 11
The final puzzle piece arrives will the team be able to catch the killer in time?
Release: 2025-06-04Grade