Mainland Chinese 'Super Cop' Hwang Fri (Yu Rong Guong) is sent to Hong Kong to assist Scotland Yard trained James Fok (Michael Wong) in this surreal comedy.

An undercover detective (Francis Ng), his lover (Amanda Lee) and a mutual friend (Christine Ng) try to catch the person who is killing Internet users.

Five cops work and get on each other's nerves during a hot summer. Tak is a gambler, too much so for his girlfriend to risk marriage. Daddy, a single father, is harsh with his son who reminds him of the woman who abandoned them. Monk is mercurial, talkative, a show-off. Kong, a steady family man, keeps the peace. Sam is new, hoping to fit in and make it as a cop. Three brutal and murderous robbers are on the loose, and so is a former soldier, embittered over the loss of his pension, using very real bombs to extort what's due him. It's a dangerous job, and the cops must watch each other's back, regardless of their personal problems.

Old Mr. Lo has three sons and the youngest one Lo Kung is his favorite. However, Kung does nothing but fool around all day long. Old Mr. Lo is very annoyed about this. The relationship between father and son is thus affected. So on Kung's birthday, his two brothers decide to play a joke on him. They trick him into believing he has won the lottery. Kung is so happy that he spends a tremendous amount of money. When he realizes he is in huge debt, he pretends to go insane and the whole family believes him.