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.