The tranquility of a luxury cruise along the Nile was shattered by the discovery that Linnet Ridgeway had been shot through the head. She was young, stylish, and beautiful. A girl who had everything . . . until she lost her life. Hercule Poirot recalled an earlier outburst by a fellow passenger: “I’d like to put my dear little pistol against her head and just press the trigger.” Yet under the searing heat of the Egyptian sun, nothing is ever quite what it seems.