Air date: 2025-05-21

Runtime: 54 min

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

Air date: 2025-05-21

Runtime: 50 min

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

Air date: 2025-05-21

Runtime: 52 min

Ena and Hansaem warily work together to solve the case.

Air date: 2025-05-21

Runtime: 62 min

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

Air date: 2025-05-21

Runtime: 57 min

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

Air date: 2025-05-21

Runtime: 58 min

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

Air date: 2025-05-28

Runtime: 53 min

Hansaem makes a shocking discovery and becomes unsure of whom to trust.

Air date: 2025-05-28

Runtime: 51 min

As the investigation escalates, new suspects begin to emerge.

Air date: 2025-05-28

Runtime: 49 min

An unexpected suspect is arrested, shocking everyone involved.

Air date: 2025-06-04

Runtime: 49 min

A stunning truth behind the serial murders is revealed.

Air date: 2025-06-04

Runtime: 50 min

The final puzzle piece arrives will the team be able to catch the killer in time?