 The paraplegic Boris (Paulo Gracindo) stays at home with the beautiful young woman Cacau (Luciana Vendramini), while his wife Ivette (Fernanda Montenegro) goes to the movie theater. When Cadú (Marcos Palmeira), the boyfriend of Cacau, unexpectedly arrives in the apartment, a night of sex, sadism and violence happens. When Ivette returns, the fantasies of a sick mind are disclosed in a surprising end.