Wealthy banker Antônio witnesses the murder of a journalist, who got killed for exposing the activities of a gang of smugglers. After they find out about him, Antônio and his wife are both targeted and pursued by the criminals.
A man living with his parents in a low middle-class apartment in Rio de Janeiro coldly stabs them with a razor and then goes to the movies. Marcia, a rich and dissatisfied young woman, takes advantage of a trip from her husband to go to her home in Petrópolis, where she receives a visit from an old friend, Regina.
The story of a civil servant who lives with his elderly mother. Falling in love with a corrupt politician's young and rich daughter, he abandons himself to crazy and violent situations.
Irma can only think about getting rid of her cowardly dirty husband. She seeks out lovers not to commit adultery or for pleasure, but to find an accomplice to kill her husband.