When his buddy Chan Hou-man is thrown into prison, Chi intentionally gets himself arrested by committing a pointless act of arson. Not exactly the brightest guy around, Chi soon finds out just what he has gotten himself into when he earns the disfavor of the head guard.

Sullen insurance agent Maggie Cheung reluctantly rescues a triad goon suffering from hatchet wounds (Roy Cheung), and thus begins their slow-burn romance.

A typical Hong Kong comedy about young inexperienced cops that get into a lot of silly antics. The film is notable for featuring Tony Leung Chiu-Wai and Anita Mui in early roles.