Lamont Cranston and Margo Lane are investigating the murder of wealthy Roger Sandhurst who was on the trail of a racket that was milking gullible old men and women. They meet his daughter Consuela, who is under the spell of a pseudo psychiatrist and spiritualist named Swannee. In an attempt to get rid of Cranston Swannee hypnotizes Consuelo and instructs her to shoot Cranston.