E1 - Episode 1

Aired: May 21, 2025

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

E2 - Episode 2

Aired: May 21, 2025

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

E3 - Episode 3

Aired: May 21, 2025

Ena and Hansaem warily work together to solve the case.

E4 - Episode 4

Aired: May 21, 2025

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

E5 - Episode 5

Aired: May 21, 2025

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

E6 - Episode 6

Aired: May 21, 2025

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

E7 - Episode 7

Aired: May 28, 2025

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

E8 - Episode 8

Aired: May 28, 2025

As the investigation escalates, new suspects begin to emerge.

E9 - Episode 9

Aired: May 28, 2025

An unexpected suspect is arrested, shocking everyone involved.

E10 - Episode 10

Aired: June 04, 2025

A stunning truth behind the serial murders is revealed.

E11 - Episode 11

Aired: June 04, 2025

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