In the 19th century, a country girl is seduced by a young doctor who's staying at her house for a few days, caring for her, and tries to hide the forbidden romance from her father, who disapproves of the relationship.
Bruno is a physician whose license had been revoked, due to some ethical problems in the past. He gathers some criminals to kidnap the children of two powerful bankers. While the police faces contradictory evidence and clues, Bruno starts killing the other criminals, to keep the ransom for himself.
Foreign country wants to perpetrate a coup in Brazil. They employ a new technique of subliminal messages, which are transported along with radio and TV waves. In no time, the population gets deranged and the country dives into ultimate chaos. Only a few people who don't watch television nor listen to radio are immune to it, and have the responsibility to abort the scheme, without really knowing what they're dealing with.
