Curtain: Arthritic and immobilized, Poirot calls on his old friend Captain Hastings to join him at Styles to be the eyes and ears that will feed observations to Poirot's still razor sharp mind. Though aware of the criminal's identity, Poirot will not reveal it to the frustrated Hastings, and dubs the nameless personage 'X'. Already responsible for several murders, X, Poirot warns, is ready to strike again, and the partners must work swiftly to prevent imminent murder.

Sleeping murder: Soon after Gwenda moved into her new home, odd things started to happen. Despite her best efforts to modernize the house, she only succeeded in dredging up its past. Worse, she felt an irrational sense of terror every time she climbed the stairs. In fear, Gwenda turned to Miss Marple to exorcise her ghosts. Have they dredged up a “perfect” crime committed many years before?