When Dr. Frankenstein is killed by a monster he created, his daughter and his lab assistant Marshall continue his experiments. The two fall in love and attempt to transplant Marshall's brain in to the muscular body of a retarded servant Stephen, in order to prolong the aging Marshall's life. Meanwhile, the first monster seeks revenge on the grave robbers who sold the body parts used in its creation to Dr. Frankenstein. Soon it comes after Marshall and the doctor's daughter.

Based on the infamous novel by Leopold Sacher-Masoch this fine film follows the perverted passions of a young couple as Severin watches the beautiful Wanda writhing naked amongst furs. His disturbing peeping tomism triggers off a whirlpool of emotions due to a childhood episode which punishes voyeurism with pain.