Cheung Ye Pang (Andy Lau) is a Cantonese detective out to combat opium sellers. Encountering high-level corruption along with close friends being murdered, Pang sets out to stop the dealers.
| Actor | Role |
|---|---|
 Andy LauCheung Ye Pang | Cheung Ye Pang |
 Damian Lau Chung-YanPaul Tai Chai-Man | Paul Tai Chai-Man |
 Cherie Chan Siu-HaSusu | Susu |
 Ku Pao-mingPolice Commissioner Ni Kwan | Police Commissioner Ni Kwan |
 King Shih-chiehShantung Cat | Shantung Cat |
 Yu FeihongJean Wu Jun | Jean Wu Jun |
| HHon SanPaul's man | Paul's man |