Did Harold Vickers, the best-selling author of impossible crimes foresee his own death, or did he possibly even arrange it? When two guests knock on her door with dinner invitations, Mrs. Vickers is dumbfounded, for her husband has been locked in his study for several days. Yet there are sounds and cooking smells emanating from the room, and when the door is broken down, a dead body resembling her husband is slumped over the fully-laden dinner table...