Three friends out to disprove cannibalism meet two men on the run who tortured and enslaved a cannibal tribe to find emeralds, and now the tribe is out for revenge.

A reporter must race against time to prevent hordes of rotting corpses spewing forth from the gates of hell.

A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area's local cannibal tribes.