Abstract: Miss Frayle, no longer employed by psychiatrist and detective Dr. Morelle, now works as secretary to Hugo Coltman, head of a drama school. Endeavouring to entice her back, Dr. Morelle accepts an invitation to lecture at the school, only to become entangled in the sinister schemes that threaten the lives of students and teachers. After a brutal murder, tension mounts as Dr. Morelle and Miss Frayle find themselves targeted by the killer. Can Dr. Morelle's investigation be successfully concluded, and the murderer unmasked?