Keisuke Tadara, a police officer working at a police station, is a serious and reliable person working at a police station in a shopping district, but Tadara has a past and a face behind him that no one knows... That is "Swindler K" who specializes in picking up targets that the law cannot punish! In the past, Tadara was a detective in the Second Investigation Division, responsible for hunting down a large-scale fraudster. Why did he wear a liar's mask as a policeman? What is the past hidden behind that? Beyond the law, deceive the bad guys, and even deceive the police who have become his own family, Tadara's real purpose is...