In São Paulo, the businessman Roberto 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 he 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 him 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. However Roberto and Camila kill two gangsters. On the next morning, Fernando uses the urchin Kito that had befriended Roberto's daughter Tallyta to help him to abduct the little girl. Roberto's ex-wife kills Fernando and Roberto makes a deal with the police, delivering the key that is hidden in the plaster of his leg, and they rescue Tallyta from the criminals.