It's the 1980s, and Detective Cha Hyung Bin has devoted his life to criminal justice and his heart to Ha Eun; Hyung Bin isn't the only one pining after Ha Eun: serial killer Ji Chul has also fallen in love with her.

It's the 1980s, and Detective Cha Hyung Bin has devoted his life to criminal justice and his heart to Ha Eun; Hyung Bin isn't the only one pining after Ha Eun: serial killer Ji Chul has also fallen in love with her.

Jong Bum runs into Sa Bin at the university and finds out that she had a heart implant when she was young; Sa Bin hears rumors about Jong Bum from students that he's actually a psychopath and has killed someone.

It's the 1980s, and Detective Cha Hyung Bin has devoted his life to criminal justice and his heart to Ha Eun; Hyung Bin isn't the only one pining after Ha Eun: serial killer Ji Chul has also fallen in love with her.