1. Episode 1

7.8

. 21 May 2025. 54 min

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

2. Episode 2

8

. 21 May 2025. 50 min

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

3. Episode 3

7.7

. 21 May 2025. 52 min

Ena and Hansaem warily work together to solve the case.

4. Episode 4

8

. 21 May 2025. 62 min

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

5. Episode 5

7

. 21 May 2025. 57 min

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

6. Episode 6

7.7

. 21 May 2025. 58 min

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

7. Episode 7

8.8

. 28 May 2025. 53 min

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

8. Episode 8

7.7

. 28 May 2025. 51 min

As the investigation escalates, new suspects begin to emerge.

9. Episode 9

8

. 28 May 2025. 49 min

An unexpected suspect is arrested, shocking everyone involved.

10. Episode 10

8.3

. 4 June 2025. 49 min

A stunning truth behind the serial murders is revealed.

11. Episode 11

8.3

. 4 June 2025. 50 min

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