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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.
First Air Date : Mar 03, 2021
Last Air date : May 19, 2021
Episode : 20 Episode
Season : 1 Season
Runtime: 76:14 minutes
Studio: tvN
Country: South Korea
