In Rio de Janeiro, after an altercation with his father and mother, a young man named Bebeto kills his family and goes to a movie theater, where he watches four weird vignettes.
When a pedestrian is hit by a bus, the simple clerk Arandir runs and kisses the moribund in a gesture of sympathy and unconditional pure love. Opportunist photographer Amado Pinheiro witnesses the scene and sees the opportunity to sell newspaper and, together with the despicable and abusive chief of police Cunha, accuses Arandir of homosexuality.