Documentary on the Chaco War between Bolivia and Paraguay and in particular on the signing of the peace treaty.

Four friends head into the jungle to locate a lost professor but instead face off against treasure hunters who are torturing and killing natives.

A group of student activists travel from New York City to the Amazon to save the rainforest. However, once they arrive in this vast green landscape, they soon discover that they are not alone… and that no good deed goes unpunished.

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.