Dr. Frankenstein's daughter and lab assistant Marshall carry on his experiments after his untimely death at the hands of his own creation. They fall in love and try to transfer Marshall's brain into a strong, muscular body to prolong his life. Meanwhile, the original monster seeks revenge against the grave robbers who sold the body parts used in its creation, targeting Marshall and the doctor's daughter in the process.
Lady Frankenstein
The Baron's daughter and assistant carry on his pioneering work, driven by a desire to restore his legacy and honor after his untimely demise at the hands of a monstrous creation that had turned against him.
