Teens encounter people, who, after being used as guinea pigs for the experimental testing of a virus can live forever in a post apocalyptic world.

In a post-apocalyptic future mankind is lives in a prehistoric manner. After killing his father for sexually assaulting his girlfriend, the son of a tribal leader runs away with a group of his teenage friends. They are taken in by Neil and Judith who introduce them to the vices outlawed by their tribes namely sex and drugs.Neil and Judith, however, are genetically altered indestructible mutants who have their own plans for the future of the human race.—The Wolfkin

In a post-apocalyptic society, a tribe with a few survivors lives in caves with an abusive religious leader. When he was raping the teenager Sarah, his son David kills him and is sentenced to death, tied to a pole. However, Sarah and David friends decide to release him and leave the caves. They find a destroyed city, and in the middle of a storm they are rescued by two locals, Elizabeth and Neil. The couple of survivors introduce the teenagers to sex, drug, beverages and clothing and sooner they find that Neil is a genetic experiment of a new breed of predators, and Elizabeth was modified by his semen.—Claudio Carvalho, Rio de Janeiro, Brazil