This work is unique. Usually detectives who came out of the pen of the great Agatha Christie were immediately sent to the press. And this novel is amazingly lost in the dusty archives for 70 years ... The famous detective Hercule Poirot called his longtime friend, detective writer Ariadne Oliver, with a request to urgently come to Devonshire in the estate of Greenshore House . It turns out that a big holiday is planned in the house, and she was invited to organize an exciting game “Hunting for the killer” Players, using non-obvious clues, should find a “corpse” on the territory of the estate, the role of which is played by one of the guests, and expose the “killer”. Ariadne wanted Poirot to help her with the organization, and the great Belgian could not refuse. But when the game came to its climax and its participants discovered the “corpse”, it turned out that it was ... real! So, the games are over. Hercule Poirot himself was on the trail of the killer.