A string of murders occur that mirror those committed by the Whitechapel Ripper. Throughout his experiments using psycho-analysis doctor Pritchard discovers a deadly violence of his young patients in a few. As he delves into the recesses of her mind he finds that Anna is possessed by the soul of her dead father, willing her to commit acts of savagery that is gruesome over that she has no control. However, the disclosure of all is that the identity of her father: Jack the Ripper himself.