Theatre actor KUN SIU-NAM (Adam Cheng) has undergone a drastic personality change after his daughter’s protracted disappearance, eventually leading to his bitter divorce from MOK LAI-HING (Chan Sau Chu). Utterly absorbed in his theatre work, SIU-NAM all of a sudden finds himself embroiled in a recent spate of serial killings after playing the role of an evil murderer.