Piluso y Coquito enfrentan al malvado dueño de un castillo, que se apodera de tierras ajenas.
A handsome newcomer in a village marries a local girl. A year or so later an abandoned baby is left on the couple's doorstep, a baby the man had with another woman. They decide to raise the kid along with the one they had together.
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.