Follows the relationship between two couples: An unemployed professor, Fernando, sustained by his factory worker girlfriend Rita, and sexist and reactionary Luís Carlos and inexperient Lilita.
Luiz Antônio, a sociologist, had his political rights suppressed, during the Brazilian military dictatorship. Also, his wife Ruth had been tortured and killed. So he decides to hide in his niece Natércia and her husband Felipe's country house for a while. But she invites the intellectual Marcela and broker Ricardo for a weekend together. Luiz's world is upset and the existential problems of all get entangled, with unexpected results.
Barbara Leen owns a coffee export company based in Rio de Janeiro. The company has long since been infiltrated by smugglers, without Barbara knowing about it. The criminals are smuggling diamonds. Barbara's boyfriend is a journalist and tries to get to the bottom of the matter. But during his research he comes across more and more deaths. Eventually, however, he comes across the nightclub owner Leila and her lover Dumont. They appear to be the masterminds.
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