The Abominable Dr. Phibes

A series of gruesome murders takes place, with each crime scene featuring a symbol from the nine Biblical plagues of Egypt. As detectives struggle to find the killer, they uncover a web of connections between the victims, who all previously worked with Dr. Vesalius on a botched operation involving the wife of a brilliant organist. The suspect list narrows to the organist himself, but is he really the mastermind behind the sinister plot?