Carlos D'Agostino

A man from humble origins becomes a famous boxer, but fame has its price.

A man tries to avenge the death of his sister, a gambling addict. Another man, an ex-convict who whistles when he commits a crime, is reunited with his blind mother.

The Peralta brothers work in the countryside the Alto Paraná. There they will meet subhuman working conditions. Finally, the workers rise and harshly punish their exploiters.

Crime-picture dealing with car thieves.