Published in 1927 where the novel revolves around social gang corruption in the world .. And try to eradicate it. The protagonist of the famous detective is the famous detective Hercule Poirot and his fellow Captain Arthur Hastings who can not deceive anyone and who portrayed Agatha Christie as a little resourceful limited intelligence compared to detective Hercule Poirot ... After the First World War these figures were represented in:
- Li Chang Yin: a Chinese influential figure who represented the mastermind of the gang and ends up killing himself
- Epp Reland: American millionaire with economic power.
- A French scientist named Mrs. Olivier, who appeared in the "Lady of Peace" chapter.
- A mysterious actor named Claude Daryl, 33, is so skilled at disguising that he has played more than a role in the novel as a mental hospital guard, a man with a buttoned-down coat in Paris, a quiet doctor in the Jasmine flower case and a Russian professor nicknamed the destroyer.
- In addition to their partner Alida Roskav Russian.