During a flight turbulence, a doctor, a pilot, and a maid crash-land on an unknown island dominated by a mansion filled with Nazi zombies. They must find a way to escape and survive, facing voodoo, hypnosis, and treachery along the way.

A private detective is hired to investigate a mysterious mansion in Louisiana, which leads him to uncover a plot involving a mad scientist who is resurrecting Nazi zombies. As he delves deeper into the case, he becomes suspicious of everyone, including the inhabitants of the seemingly haunted mansion.