Joseph Cotton is Baron Frankenstein, whose latest stitched-together monster goes on a murderous rampage that begins with his creator.  The Baron's sultry daughter Tania, a recent gradutate of medical school herself, returns to the family's castle and begins work on a creature of her own, using the brain of her father's brilliant assistant and teh good-looking body of the village idiot.  Her resulting creation is capable of destroying the monster that killed her father and also satisfying her voracious sexual needs.