Kent has even greater reason than his fellow detectives to capture an at-large serial killer, as his girlfriend was one of the victims. But can the cop's sanity survive long enough for him to identify his tormentor?
| Actor | Role |
|---|---|
 Gigi Lai ChiCoco | Coco |
 Wong HeiKent | Kent |
 Cecilia Yip TungSP Lee | SP Lee |
 Dexter Yeung Tin-kingCheung | Cheung |
 Tiffany Cheung Pik-shanSandy | Sandy |
| WWayne Cheng Ying-WaiMaggie's Lover | Maggie's Lover |
| KKenny Mok Kam-YuenReceptionist | Receptionist |
 Horace Lee Wai-ShingDanny | Danny |
 Gloria Wong YungActress in Red Dress | Actress in Red Dress |
 Celina Fong Si-LinStrangled Victim | Strangled Victim |
 Eddie Chan Shu-ChiSean Lo | Sean Lo |
| LLeung Ho-YanBoy blowing Balloon | Boy blowing Balloon |
| LLin Wai-YinCID | CID |
 Tony Leung Hung-WahPsychiatrist | Psychiatrist |
 Hui Sze-manNot listed | Not listed |