A scientific group set out on a journey into space to find a magical creature. What they find is a killer computer on the ship they chartered.

Farmer Vincent Smith and his sister Ida run a motel attached to a farm where they capture unsuspecting travelers, bury them alive, fatten them up and then harvest their bodies as ingredients for his famous brand of "smoked meats."

A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.