A police detective (Aaron Kwok) must pose as the son of a millionaire to catch a kidnapping ring. Trouble starts when the policeman's girlfriend starts working for the businessman.
| Actor | Role |
|---|---|
 Aaron Kwok Fu-ShingLam Gu-Won / Ball | Lam Gu-Won / Ball |
 Richard Ng Man-TatFish | Fish |
 Chingmy Yau Suk-ChingShun | Shun |
 Maggie CheungJacky Chuck | Jacky Chuck |
 Deric WanJessy Lee | Jessy Lee |
 Xiong XinxinRobber | Robber |
 Kingdom Yuen King-TanMs. Sze | Ms. Sze |
 Lee Siu-KayKidnapper Chief | Kidnapper Chief |
 Mak Hiu-WaiSing's Executive | Sing's Executive |
 Cheng Ka-SangRobbers' Chief | Robbers' Chief |
 Kwok Tak-SanNot listed | Not listed |
 Fong KitNot listed | Not listed |
 Dennis Chan Kwok-SanBillionaire Lee Tai Sing | Billionaire Lee Tai Sing |
 Chor YuenSergeant Lai | Sergeant Lai |
 Lee Yiu-KingNot listed | Not listed |
| CCheung Tak-WingNot listed | Not listed |
 Siao San-YanSing's Executive | Sing's Executive |
 Chan Wing-ChunNot listed | Not listed |
 Elaine Eca Da SilvaSing's Office Worker | Sing's Office Worker |
 Ho Wing-CheungKidnapper | Kidnapper |
| LLee Ga-HungNot listed | Not listed |
 Ho Chi-MoonNot listed | Not listed |
 Sung Boon-ChungNot listed | Not listed |
| YYu Ming-HinNot listed | Not listed |
 Ng Kwok-KinPoliceman | Policeman |