A rowdy rock group are accompanied by a film crew to desolate Lake Infinity to produce a music video. One night the musicians visit the local pub while the various members of the film crew satisfy their carnal desires with one another aboard the luxurious houseboat they are all staying in. They are so busy they fail to notice that a rampaging lunatic has snuck aboard the boat, and one by one the various characters are brutally slaughtered in a variety of grisly ways.
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.
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.