A girl returns from a trip out of the country and is given a strip-search for drugs when she re-enters Switzerland. Lacking a place to stay, she looks up an old friend of hers and stays with him, working to pay for food for both of them. In the casual manner of such arrangements, several more people enter the scene to stay: a rich kid who has been disinherited and a girl who is an escaped convict. The working girl has been hiding some of her wages in her clothes, and the two young men steal the money, buy a car, and hare off looking for excitement.
The lawyer is visiting a prison to meet with a violent criminal who has been condemned to death. During the visit, things turn bad, there is a riot where prisoners escape and the criminal escapes taking a lawyer hostage.
Jackie Chan stars as Wong Fei-Hung, whose mischievous antics land him in hot water. Having tolerated enough of his son's mishaps, Fei-Hung's dad enlists his sadistic uncle, who specializes in drunken-style kung fu, to teach the lad some discipline.