Rookie cop Jung Ba Reum (Lee Seung Gi) is dedicated to justice and his job. While he’s content with his life, everything changes when a psychopathic serial killer terrorizes the nation. Teaming up with his partner, Go Mu Chi (Lee Hee Joon), Ba Reum hunts down the elusive murderer, but surviving a deadly encounter with the killer alters his life forever. Shaken by the experience, Ba Reum becomes obsessed with understanding the mind of a psychopath, diving into a dark and dangerous quest for answers. As the line between right and wrong begins to blur, Ba Reum must confront terrifying truths that may shatter everything he thought he knew. This 2021 South Korean mystery drama was directed by Choi Joon Bae and Kang Cheol Woo.

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