The film accompanies the investigation of the historian Sidney Aguilar after the discovery of bricks marked with Nazi swastikas in the interior of São Paulo. They then discover a horrifying fact that during the 1930s, fifty black and mullato boys were taken from an orphanage in Rio de Janeiro to the farm where the bricks were found. There they were identified by numbers and were submitted to slave labour by a family that was part of the political and economic elite of the country and who did not hide their Nazi sympathizing ideals.
At a time when the world is discussing the impact of human actions on the environment, Amazônia Eterna presents a critical analysis of how the world's largest tropical rainforest is understood and appreciated.
During the period of military dictatorship in Brazil, a group of low-ranking soldiers were sent to the Amazônia in order to exterminate the so-called Guerrilha do Araguaia, an armed struggle movement that was against the dictatorship. After forty years, the survivors of this mission report their combat experiences for the first time.
