The next morning, Linnet Ridgeway is discovered murdered in her cabin, shot in the head by a similar weapon, with almost everyone aboard the "Karnak" having had a reason to want to do away with the heiress.
The next morning, Linnet Ridgeway is discovered murdered in her cabin, shot in the head by a similar weapon, however Jacquie's pistol is missing. Poirot realizes that almost everyone aboard the "Karnak" had a reason to want to kill the heiress.