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About the TV Show


psychopath investigation crime scene


First Air Date: March 03, 2021

First Aired on    :   2021
Status    :   Ended
Created By    :   Choi Ran
Networks    :   tvN
Genres    :   Crime,Mystery,Sci-Fi & Fantasy
Seasons/Episodes    :   20 episodes in 1 Seasons

A psychopath's ruthless serial murders have left the entire nation gripped with fear and chaos. A honest and justice-seeking rookie police officer and a veteran detective with tragic past, face against the killer. After the encounter with the psychopath, their lives totally change.

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Season 1 (2021)

20 episodes

season poster

Specials (2021)

5 episodes

Main Actors