Young women in the Amazon are kidnapped by a ring of devil-worshipers, who plan to sell them as sex slaves. Some of the women escape, but are pursued into the jungle by their captors. The women must band together to turn the tables on their kidnappers.

In a small town in the interior of São Paulo, everyone lives happily: Tinoco and his fiancée Joana, Pirulito and Nhá Barbina. One day, the men in charge of opening a railroad arrive and, with them, trouble. Paulo, one of the engineers, tries to get Joana away from Tinoco. Tinoco is accused of stealing the workers' money and is arrested. Tonico pressures the delegate to investigate the case so that Tinoco can prove his innocence.