It's May 1943, and two Italian American soldiers, Joe and Frank, are searching the North African desert for a Nazi general called Von Kassler. Von Kassler's aide captures them, and arranges for them to escape with fake war plans. But, things don't go exactly as planned for either side.
An attorney arrives at a castle to settle the estate of its recently deceased owner. The owner's wife and daughter reveal that he was someone who was able to summon the souls of ancient plague victims and, in fact, his spirit was roaming the castle at that very moment. Soon occupants of the castle begin to die off in gruesome, violent ways.