On Christmas Eve, the elderly millionaire Simeon Lee, for once in a long time, decided to gather all his large extended family. But the celebration was unexpectedly interrupted by a crash of furniture, followed by a terrible scream. The household, who rushed to the sound, found the head of the family lying in a pool of blood in the middle of his study. Inspector Sagden was called to the scene—luckily, at that time the incomparable detective Hercule Poirot was visiting him. Of course, he also came to the Lees’ house, where he immediately encountered an atmosphere of universal suspicion. The millionaire could have been killed by anyone—for every relative secretly hated this family tyrant. There are plenty of clues, but none of them points to any of the people present. A real case for the “grey cells” of the great Belgian…