Three friends out to disprove cannibalism meet two men, a cocaine dealer and an anthropology student, on the run who tortured and enslaved cannibalistic Colombian natives to find emeralds, and now the tribe is out for revenge.
Cannibal Ferox

Three friends out to disprove cannibalism meet two men, a cocaine dealer and an anthropology student, on the run who tortured and enslaved cannibalistic Colombian natives to find emeralds, and now the tribe is out for revenge.