Mang Hoi

Chow Sing Sing returns, only this time he doesn’t go back to school. Instead, Chow goes undercover as the husband of a wealthy socialite, which doesn’t sit well with his fiancée, who tries to convince Chow to quit working as undercover.

A policeman forsakes his dream of world travel to care for a mentally impaired brother, who is later kidnapped by gangsters.

A young woman has a tragic accident, slipping on a skateboard and falling off the roof of a tall building. Koo Chi Ming, an insurance investigator, is sent to determine whether the girl's death is an accident or a suicide and he recognizes the young woman from an earlier chance encounter.

A country bumpkin arrives to help his brother's rice business. Things get out of hand while a rival company becomes corrupt. The bumpkin, an ace martial artist, fights off the rivals. Angered, the rivals hire a martial arts expert to fight the hero, only to get beaten up himself. The expert send his teacher to hurt the hero and succeeds. The hero is sent to a temple where he learns a new style of kung fu. Now with the skills, our hero is ready to get even.