Nine Puzzles

Detective Han Saem suspects I Na after she fails to remember anything about her uncle's murder. (Source: Disney+)

A puzzle piece arrives on the same day as a murder, and Han Saem suspects it’s no coincidence. (Source: Disney+)

I Na and Han Saem warily work together to solve the case. (Source: Disney+)

A prime suspect emerges, but things aren't what they seem. (Source: Disney+)

Another puzzle piece arrives, and a new murder case unfolds. (Source: Disney+)

The meaning behind the drawings on the puzzle pieces is uncovered. (Source: Disney+)

Han Saem makes a shocking discovery and becomes unsure of whom to trust. (Source: Disney+)

As the investigation escalates, new suspects begin to emerge. (Source: Disney+)

An unexpected suspect is arrested, shocking everyone involved. (Source: Disney+)

A stunning truth behind the serial murders is revealed. (Source: Disney+)

The final puzzle piece arrives. Will the team be able to catch the killer in time? (Source: Disney+)