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