Peter Mandrake, a North-American photojournalist becomes embroiled in South America's dangerous underworld of pimps, drug gangs and arms smugglers when he sets out to find the killer of a local call girl.
Salvador, Bahia, Brazil, during the dictatorship of Getúlio Vargas. Outlaw Tonio is involved in a conflict between strikers and the police. His mistress tries to keep him from his companions, but he steals her belongings to help the persecuted. Dissatisfied, she denounces him, compromising him...