Chau and Beethoven, two Hong Kong police detectives, go through misadventures to protect a young girl from a ruthless crime lord, as she possesses a ledger that contains all of the gangster's activities. In the mix is a tough, no-nonsense policewoman, who falls for one of the detectives.
| role | name |
|---|---|
| Chau | Richard Ng |
| Walker | Richard Ng |
| Beethoven | John Sham |
| Johnny | John Sham |
| Anna | Deannie Ip |
| Inspector Chan | Philip Chan |
| Koo the Pimp | Tai-Bo |
| Columbo | Fat Chung |
| Inspector Tien | James Tien |
| Sha | Lung Chan |
| Kitty | Ga-Hei Yu |
| Keung | Min Kan Ng |
| role | name |
|---|---|
| Director | Tung Cho 'Joe' Cheung |
| Writer | Bo Ho Writing Team |
| Producer | Sammo Kam-Bo Hung |
| Composer | Mahmood Rumajahn |
| Editor | Peter Cheung |
