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.

Upon arriving at the building where he works, Pedro finds the janitor, Hilário Garcia, dead inside one of the elevators. Inspector Canovas, in charge of the case, discovered that Hilário was Portuguese, widowed, with an only child living in the United States. Several suspicious people are detained and interrogated and, during the investigation, a guard and a girl are killed. With the help of the North American police, Inspector Canovas discovers that Hilário's son, Antônio and his wife Vanda, had already returned to Brazil. The two are located in São Paulo and detained for investigation. At the police, Antônio confesses to Carlos, his brother-in-law, that he was responsible for his father's death. Based on these statements, Canovas concludes that the caretaker was murdered because he discovered that his son and brother-in-law made a living from various suspicious businesses and were acting outside the law.

A group of young misfits decide to go camping in a remote forest region. On the way, they stop to destroy a gas station and are attacked by a commando of psychopathic mercenaries. A massacre ensues, in which one of the sons of the commando's leader is killed. Furious, he and his henchmen start chasing the young survivors, who desperately try to hide in the forest, while having a lot of sex along the way.

A doctor, after ingesting human flesh to survive a plane crash in the jungle, mutates and turns into a creature that eats corpses in cemeteries.