When a professor of psychology, who dabbles in the paranormal, discovers his daughter has broken off her engagement to a favoured gentleman, in favour of callous and heartless man, he grows concerned. With the assistance of the gentleman, he talks with the daughter about her plans further learning that the cad forced her to have an abortion, yet she still feels her life will end if she cannot be with him. The father, calling on his knowledge of the occult, conjures a doppelganger to exact revenge on the cad.