Nobody Knows (Scripted, Korean)
Genres: Drama, Crime, Thriller
Status: Ended
Premiered: 2020-03-02
Ended: 2020-04-21
Network: SBS
Country: KR
Airs on: Monday, Tuesday
Air time: 22:00
Runtime: 70 minutes
Cha Young Jin is a detective. She lost her friend 19 years ago to a serial killer and still carries guilt and trauma over the death of her friend. The serial killer case then begins again after 19 years. Cha Young Jin chases after the killer.