Duda is a zoo cleaner. He and his friend Kiko and Zeca are actively engaged in an animal protection group. For this reason, they are summoned by mystic Noé to fight animal hunters in the Pantanal region, in Brazil, who are after animal skins and furs, and are led by the mean Morel. They accept the mission and, on their way, meet archaeologist Marcos and photographer Carla, who are in search of a lost pyramid built by the Phoenician. Together, they try to beat the hunters.
The friends Curió, Boroca (Dedé Santana), Mexelete and Bateia they venture in search of gold in the mine of Serra Pelada. The area is controlled by the foreigner Von Bermann, whose orders are executed by the bully Bira. Thirsty of being able to, the foreigner smuggles the gold and he wants to take possession of the lands of the Brazilian Ribamar, that refuses to do business before the son's arrival Chicão. With the help of the four dabblers, the boy struggles with the thieves and it helps the father in danger.
In the early seventies in Rio de Janeiro, detective Mariel Moryscötte de Mattos belonged to a special police force called "The Golden Men". This powerful group of the elite of the police was created with the intention of eliminate crime from Rio de Janeiro, and they had privileges above law to expedite their action against the outlaws. However, absolute power in wrong hands corrupts, and this group formed the "Death Squad", executing criminals without the conventional trial from the justice.
The film depicts the arrival of immigrants in the city of Espírito Santo following the history of Carlos, an Italian who struggles for his place against Hermann Gunter, a German colonist who rules the region.
Foreign agents from an unidentified nation clandestinely install radio and TV antennas in Rio de Janeiro devices that emit subliminal waves that alter the perception of the population. They aim to transform the people into an aggressive and imbecile mass, leading the country to chaos, allowing the government to be taken to usurp Brazil's natural wealth. A journalist, Carlos, accompanied by chemist Laura Leal, begins to investigate a series of facts and discovers those responsible for the disturbances.