Beingaphysiologist,AustinGilroyisunconvincedthattheoccultisreal.HisfriendProfessorWilson,however,isnotonlyconvincedthatpsychicalpowersarereal,buteagerlydesiresthatGilroyshouldbepersuaded.Tothisend,WilsoninvitesAustintohishouseforademonstration.TheeffectisthatAustin,althoughstillskeptical,nowconcedesthatthereismoreinthematterthanheatfirstbelieved.Butwhenthepsychic,MissPenclosa,controlshisactionstothepointwherehenearlymurdershisfiancee,AustinGilroydoubtsnolonger.