Wealthy Sir Hubert Handesley's original and lively weekend house-parties are deservedly famous. To amuse his guests, he has devised a new form of the fashionable Murder Game, in which a guest is secretly selected to commit a "murder" in the dark and everyone assembles to solve the crime.
But when the lights go up this time there is a real corpse, with a real dagger in the back. All seven suspects have had time to concoct skilful alibis - and it is Chief Detective-Inspector Roderick Alleyn who has to try and figure out whodunit . . .