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.

Winner of a Theater talent contest, in which he was the only one to enroll, Belizário da Silva leaves his hometown, and tries to make it in Rio de Janeiro.

A beautiful young woman, raised by prostitutes and disgusted with life, accepts the offer to move with an older, opportunist man. Depressed and weak, she dedicates herself to her doll collection until by chance she meets a young doctor she falls in love with.

This story begins with Marcelo's funeral. His family, his fiancée Lúcia and three suspicious men are the only people accompanying the coffin. By night, at home, Rosa, Ricardo and Lúcia notice something strange: Marcelo's room has been completely ransacked. Suddenly, the phone rings. Rosa answers and hears the voice of her son who had just died. The shock is too strong for the poor lady, who dies of a syncope. To understand these sinister events, we have to go back three days...