意大利贵族奇遇记 Poirot: The Adventure of the Italian Nobleman

　　Poirot and his friend Captain Hastings find themselves investigating the murder of Count Foscatini, who was found in his flat. As it turns out, the dead man's valet, Mr. Graves, has been dating Miss Lemon and has been less than honest with her about his profession. As for the dead nobleman, the police believe he was being blackmailed. The Italian Embassy denies any knowledge of...