Playing a cynical policeman who borders the ambiguous line between right and wrong, Chuang Kai-Hsun brings out the essence of these ambiguities. Facing corruption in both politics and policing, a deep web that bankrupts an entire police station, and facing his own relationship difficulties, Chuang Kai-Hsun balances the emotional changes and delicately portrays the dilemma of a policeman who is a human being.