A meteor strikes a houseboat in the swamps near a southern town populated by Yankees with fake accents. The people on the houseboat become zombies who feed on the alligators in the swamp. Once they run out of alligators, they start going for the citizens. A local scientist tries to figure out what's happening to people once they start disappearing.

A group of skeptical government officials headed by General Randolph are brought to a remote laboratory for a demonstration in "Psychic Materialization", a successful side effect of an experimental drug. But the project scientists had warned that not enough testing had been completed to access safety concerns. In a freak accident during the demonstration to the politicians, a vicious creature is created! Unable to contain the monster, it unleashes unbelievable havoc & destruction against mankind! Reproducing itself at an alarming rate, and all known weapons seemingly powerless against the creature, the scientists are gravely concerned for the survival of mankind!