A corrupt businessman commits a murder and the only witness is the girlfriend of another businessman with close connections to the Chinese government, so a bodyguard from Beijing is dispatched to help two Hong Kong cops protect the witness.
| Actor | Role |
|---|---|
 Jet LiJohn Cheng | John Cheng |
 Christy Chung Lai-TaiMichelle Yeung | Michelle Yeung |
 Kent Cheng Jak-SiCharlie Leung | Charlie Leung |
 Collin ChouKiller Wong | Killer Wong |
 Joey Leung Wing-ChungKeung | Keung |
 Ng Wai-KwokJames Shong Sai Cheung | James Shong Sai Cheung |
 William Chu Wai-LimBilly Yeung | Billy Yeung |
 Wong Kam-KongChiu Kwok Man | Chiu Kwok Man |
 Corey YuenShopper in Mall | Shopper in Mall |
 Huang KaisenWong's Brother | Wong's Brother |
 Jimmy Wong Wah-WoCoroner | Coroner |
 Fong YueHouse Maid | House Maid |
 Leung Kai-ChiNot listed | Not listed |
 Benny Lai Keung-KuenNot listed | Not listed |
 Chan SekNot listed | Not listed |
 Wong Chi-KeungMan in Shopping Center (uncredited) | Man in Shopping Center (uncredited) |
 Lee Tat-ChiuNot listed | Not listed |
 Gary Mak Wing-LunNot listed | Not listed |
 Jacky Cheung Chun-HungNot listed | Not listed |