In a 19th-century Balkan village Baron Frankenstein and Dr. Hertz conduct scientific experiments in an endeavor to transfer the souls of dead humans into other bodies. Their assistant Hans is a local boy ostracized by the villagers because his father was guillotined for murder years earlier. One night, while visiting his girl friend, Christina, a cripple with a birthmark on her otherwise pretty face, Hans is unjustly accused of murdering an innkeeper and is sentenced to the same fate that befell his father. Christina witnesses the execution of her beloved and, overcome by despair, drowns herself in a river. Frankenstein and Dr. Hertz recover both corpses and succeed in bringing Christina back to life with no sign of either her lameness or her facial blemish. And, as part of the experiment, they give her Hans's soul. As a result, the young woman is consumed with Hans's passion for revenge, and she sets out to kill the three youths responsible for the innkeeper's death. Frankenstein is unable to prevent Christina from slaying her three victims and taking her own life.