When the lady of Аранделл unexpectedly fell off the stair of the own house, all around saw herein only an unhappy chance - in fact she trod on the rubber ball left there by her favourite, by a fox-terrier on the name Bob. But than anymore thought of it injured, the anymore her it seemed to that falling was tuned by someone from her relatives. She wrote a letter to the famous detective Эркюлю Пуаро with a request to understand in this business. But for that time, while a letter went to the addressee, the lady of Аранделл died already, and her немаленькое inheritance passed to the partner. Пуаро not in forces to revive an unhappy lady, but he can find a killer. And will help him herein the same dog on the name Bob.