After the horrible deaths of three of his colleagues in the prestigious London Theatre Critics Circle, Peregrine Devlin (Ian Hendry) approaches the baffled police with a bizarre theory: perhaps the murders are being committed by Edward Lionheart (Vincent Price), an aging Shakespearean
actor who was outraged when the Critic's Circle award went to another actor. So incensed was Lionheart, that he pushed his way onto the stage, stole the award, and jumped into the Thames, supposedly killing himself. Since the three murders closely parallel deaths detailed in the plays of
Shakespeare, the cops think that Devlin may be right. The now-insane Lionheart, aided by his lovel...