A photographer and his models go to an old, abandoned castle for a photo shoot. Unbeknownst to them, the castle is inhabited by a lunatic who believes himself to be the reincarnated spirit of a 17th-century executioner whose job it is to protect the castle against intruders.
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.
An alien civilization, which facing eminent extinction, kidnaps two famous genetic scientists from Earth. A troop of soldiers is dispatched to combat the humanoid robots and rescue the victims.
