Fifteen years after his sister was brutally murdered, police officer Kyung-chan Kwon secretly becomes a genius profiler known as “Black Sheep.” Hiding behind the ordinary life of a local patrol officer, he tracks the many faces of evil roaming the city, believing that one day he will find the killer who destroyed his family. As he begins working with Cheol-ho Kang, a detective more ruthless than the criminals he hunts, Kyung-chan is pulled into a dangerous pursuit of a psychopathic serial killer. Based on the film script Mind Hunter, Psycho Face is a crime action thriller webtoon currently serialized on KakaoPage, with strong potential for screen adaptation, remake, and international platform distribution.