Several people disappear from and at the sea. Their bodies are found gnawed to the skeleton, even the marrow is missing. The scientists have no idea which animal could do such things. Dr. Turner begins to suspect that the company which builds a tunnel beneath the bay might have poisoned the environment and caused an octopus to mutate to giant dimensions...
An oil prospector escapes from capture by a primitive cannibal tribe in the Philippine rain forest and heads out to locate his missing companion and their plane to return home.
Two mercenaries help wandering caravans fight off an evil and aimless band of white-clad bikers after the nuclear holocaust.
