Chief of Police Rui, a happily married man of principles, is in charge of investigating Joana, a teacher who's accused of political crimes. After some false starts, he manages to arrest her, but is startled to learn that she's also a nun. The revelation doesn't alter the natural course of events: he must torture her in order to obtain a confession, and gets increasingly attracted to her.

Patricia is in love with Artur, who works in her parents’ farm. Both are very happy and full of plans, but Artur is violently killed by her father, leading her to die of a broken heart. Years later, their souls begin to torment those who live in the house.

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.