A young single mother has to work late one night. Her daughter begs her to allow her to stay alone instead of going to a babysitter. The mother finally agrees. When the girl falls and is injured, police are called and she is taken to a hospital, the courts decide that the mother is unfit and take her daughter away. She must fight to all ends to get her back.
In the opening chase, Martin Riggs and Roger Murtaugh stumble across a trunk full of Krugerrands. They follow the trail to a South African diplomat who's using his immunity to conceal a smuggling operation.
When secretive new neighbors move in next door, suburbanite Ray Peterson and his friends let their paranoia get the best of them as they start to suspect the newcomers of evildoings and commence an investigation.
Three stories happening in New York. The first, by Scorsese, is about a painter who creates his works helped by high volume music and an attractive assistant; second, by Coppola, is about a rich and bold 12 years old who helps her separated parents to reconciliate; third, by Allen, is a witty piece of comedy about the impossibility of getting rid of the son's role.