Out of the blue, a meek, old painter begins receiving love letters from Rosaura. This intrigues his fellow boarding house tenants, so they involve themselves into his relationship until one day the mysterious Rosaura appears.
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.
A woman and a man are involved in trafficking.
A humble boy can not be a sailor as he wishes, for lack of documents, and works as a driver for an old woman.