People start disappear in the swamps near a one horse town. The arrogant sheriff (Gene Roth) of course blames alligators or the more dangerous human species. However, a scientist (Tyler McVey) thinks that some kind of blood sucking creature is to blame. Meanwhile, cuckold Dave (Bruno VeSota) and his horny wife (Yvette Vickers) have had a falling out. He follows her to the swamp where she meets her fancy man. Dave chases them through the swamps until they become the latest victims of the monsters. Warden Steve (Ken Clark) goes in search of the monsters...
This isn't a good film by any means, it's rather slow and awkward. The monsters, though they do not appear that often, truthfully arn't the worst in monster movies of the era but the story is rather basic and the acting ranges between miserable and terrible.