When Cunda, a man living deep in the Brazilian rainforest, is bitten by a snake, he has a hallucination of four chimpanzees. Once he recovers, he is shocked to find the four chimpanzees waiting for him at home, and, believing them to be special, decides to take them to the city in order to sell them.

A public relations man is invited to guide an American millionaire during his stay in Rio de Janeiro. He gets involved in the most bizarre situations, from orgiastic mega-parties to confrontations with the police, meetings with drug dealers and movie stars, facing corruption and even murder.