A small town in Brazil is the background for this thriller about a murder, disclosing corruption among the leaders of the region.

Ferdinando, a bank employee who came from the north and prospered, buys a car and starts to frequent the south zone of Rio de Janeiro. He meets Lucia, with whom he falls in love, to the point of selling his own car to pay the girl's bill, who says she is very rich and lives in a mansion, but it's all a farce.