Nurse Amy Leatheran is recruited to care for the frightened wife of an American archeologist at an excavation in the Iraqi desert. Are the wife's fears mere hallucinations? When she is found bludgeoned to death, her paranoia proves, too late, fully justified. Famed Belgian detective Hercule Poirot, nearby on another mission, gets involved and realizes that every member of the team could be a suspect. Can Poirot stop the murderer before he or she strikes again?