In São Paulo, the businessman Roberto Ramos has a broken leg plastered and is helped by his assistant Camila at home. His ex-wife and a man called Fernando are interested in a mysterious key that Roberto possesses and Fernando sends three sexy women to Roberto's apartment to seduce him and find where the key is hidden. Wilma, Helena and Dora have sex with Roberto while Camila snoops her boss at the door, but they do not succeed in their intent. Meanwhile a thief breaks in his apartment and Roberto kills the man in self-defense. The detective in charge of the investigation believes that Roberto is a gangster and leader of a gang. Fernando sends a letter to Roberto and schedules a meeting with him in a restaurant. Fernando proposes a deal to Roberto but he does not accept. Late night, Roberto explains to Camila that the desired key opens a bank safe where there is a black book, deeds and dollars, but they are interrupted by criminals that break in the apartment.