The prostitute of Xiaoliu (played by Ronnie Cheung) was shot and killed in an unethical transaction. The person who opened the room with her was the senior inspector-Gao Kun (played by Simon Lui), who was forced to suspend his duties in the police force. Gao Kun's girlfriend Joey (Grace Lam) is also a policeman, and his boss Zhang Sir (Wang Hexi) approved to take over the investigation. For this reason, Joey pretended to be a little Liu's girlfriend and mixed in. Because Xiaoliu's stable business is so good, the peers are jealous. They know that Gao Kun has taken bribes to help them. They want to get the same help and hijack Joey...
Simon Lui Yu-Yeung
as Senior Inspector Gao Kun
Ronnie Cheung Ho-Lung
as Xiaoliu
Grace Lam Nga-Si
as Joey
Sophie Ngan Chin-Man
as Hung
Bessie Chan Ming-Kwan
as Fung
James Chu Wai-Tat
as
Sze Hung-Bor
as
Ken Wong
as
Teresa Ha Ping
as Auntie Luke
Eddie Chan Shu-Chi
as