An undercover detective (Francis Ng), his lover (Amanda Lee) and a mutual friend (Christine Ng) try to catch the person who is killing Internet users.
| Actor | Role |
|---|---|
 Francis Ng Chun-YuChick | Chick |
 Christine Ng Wing-meiKitty | Kitty |
 Benz Hui Siu-HungSgt. Yau | Sgt. Yau |
 Amanda Lee Wai-ManMadam Zita Fong | Madam Zita Fong |
 Simon Lui Yu-YeungChiu | Chiu |
 Karen Tong Bo-YueMimi | Mimi |
 Lo MengBoss King | Boss King |
 Angela Tong Ying-YingYuki [cameo] | Yuki [cameo] |
 Emily Kwan Bo-WaiNot listed | Not listed |
 William Duen Wai-LunNot listed | Not listed |
 Conroy Chan Chi-ChungNot listed | Not listed |