Kung and Kin's rivalry goes way back to the seventies when they fought over the same girl, who eventually became Kung's wife. Now they run competing phone stores right across from each other on Mongkok's busiest street, and stretch their minds trying to outdo each other with crazy promotions.

Tuba is a fainthearted cop who prefers to play in the brass section of the police band to pounding the streets. One day, he finds himself caught up in an extortion case with trigger-happy detective Rambo Chow. When Rambo gets fatally wounded, he makes a half-hearted vow to avenge his death. Tuba is more than a little surprised when Rambo's spirit returns to make sure the timid cop makes good on his promise. Backed up by his hotshot partner Cheung, Tuba eventually summons the gumption to track down the baddies.

Four episodes combined. Dawn: the first cop goes to interrogate the parents of a babygirl who got burnt by an iron. These, eventually admit to be the one responsible but they state it was an accident. Going back on a bus, he reads a newspaper article reporting another case of violence against minors. Noon: the moustached cop cop collects the report of a mother regarding the presence of perverts in her building. A thirteen-year-old girl is spotted with a man in equivocal acts: when she is interrogated she shows no signs of anxiety. Dusk: in a nursing home a guest kills another old man with an axe. He is interrogated by the older cop who, once back home, talks with his wife and daughter while watching sadly TV. Night: the fourth cop is in a disco when he gets the call that a collegue’s wife was the victim of a hit and run. The following morning he goes back to the office.

The second episode of Ann Hui and Yim Ho’s “ICAC” Series (1978) around bribery and corruption

When a young man ignores a feng shui master’s warning and decides to marry before turning 30, a series of mishaps begins to curse his life.

Sammo and George Lam are partners in crime and they scam some triad big shot out of a load of money and decide to retire. Three years later they both receive letters from Stanley Fung, in which he informs them that he has proof of all their criminal activity and unless they do exactly what he says–he will turn it over to the cops. Fung is an ex-cop himself and is trying to get the goods on the same triad leader that Sammo and George scammed.

A man married to a beautiful young woman is pressured by her into staging a kidnapping to make some money, which puts him in conflict with his former kung-fu partner, who is now a policeman.

A young man dreamed of a career in comics and movies. But his father would rather gave up all he had in order to let him receive formal education.