A suspenseful story that asks the key question, “What if we could identify psychopaths in advance?” A crazed serial killer’s ruthless murders have left the entire nation gripped with fear, and chaos reigns. Justice-seeking rookie police officer, Jung Ba Reum, comes face to face with the killer. While he survives his dangerous encounter with the psychopath, Jung Ba Reum finds his life completely changing before his eyes.

Country: Korean
Original Network: tvN
Status: Completed
Release year: 2021
Episodes: 20
Screenwriter: Choi Ran
Director: Choi Joon Bae, Kang Cheol Woo
Starring: Lee Seung-gi, Lee Hee-joon, Park Ju-hyun, Soo-jin Kyung
Genres: Thriller, Mystery, Psychological, Sci-Fi