A detective fiction authoress makes a lot of romantic and funny stories with a criminal police and a fascinating sweet guy when she traces a serial killer,
Je-In (Ha Ji-Won) is a mystery novel writer. She chases after a serial killer with her longtime friend Rok-Hwan (Chun Jung-Myung). Rok-Hwan is a detective. A handsome and mysterious man, Jason (Chen Bolin), appears in front of them.