John Hoyt plays a high-ranking Nazi being prosecuted by an army tribunal in the aftermath of World War II. Sentenced to death, the general appeals to the American investigating Major (Ray Milland), claiming mitigating circumstances, and providing the names of witnesses who will clear his name. This sends the Major in a search through the ruins of post-war Germany to determine the degree of the general's guilt.

John Considine plays the flamboyant Dr. Death, a thousand-year-old magician who has mastered he art of transferring souls from one body to another and thereby manages to perpetuate himself by jumping from one body to the next. Apparently the Doc is a kindred spirit since his blood is a highly-corrosive acid that can strip flesh from bone

A spaceship is sent to Mars after an alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster. Uses footage from Encounter in Space (1963).