The mystery of the "Blue Train" In the luxury express "Blue Train", coming from London to the French Riviera, there was a tragedy The daughter of the famous American millionaire Ruth Kettering is strangled in her own compartment, and all her jewels, including the amazing ruby, have disappeared. In the same train went to rest at sea and the great detective Hercule Poirot, who, of course, could not stay away from the investigation. A party at the villa of the famous actor Sir Charles Cartwright, who recently completed his theatrical career, gathers thirteen guests. An unlucky number becomes fatal for one of them, Pastor Babbington he suddenly dies after taking a sip from his glass with a cocktail. Is it an accident or a premeditated murder? The great detective Hercule Poirot, who was among the guests, takes up the investigation. However, a chemical examination showed that the glass of the deceased did not contain any poisons. And, what is even more perplexing, Poirot, there is absolutely no motive for killing .. However, the detective is convinced that there can be no question of any accident ...