A group of tourists become stranded on an uninhabited island where they are stalked by an insane, violent, and grotesque killer that slaughtered the town's former residents....
A plane crashes in the Amazon jungle, and its passengers must battle their way through cannibals, slave traders, wild animals and murderous piranha fish to safety....
A girl and her brother fly to New Guinea to look for a lost expedition, led by her husband, which has vanished in the great jungle....