Wong gok hak yau 2004

A gangster's son is accidentally killed during a drunken dispute with a rival gang, and Officer Milo's task force is assigned to the case. He soon learns that a hitman has been hired to take out the rival gang leader. While Milo and his crew desperately try to find and stop the hired gun, fearing all-out war in the streets, Lai Fu, a smart but inexperienced killer from a small town in the mainland, arrives in Hong Kong to do his job.

Cast:

Cecilia Cheung
Dandan 

Daniel Wu
Lai-fu 

Alex Fong Chung-Sun
Milo 

Chin Ka-Lok
Brandon 

Anson Leung Chun-Yat
Ben 

Lam Suet
Liu 

• One Nite in Mongkok