In the 1930s, an enigmatic cruise along the majestic Nile becomes the setting for a dark and thrilling crime. The wealthy heiress Linnet Ridgeway, a young and beautiful woman, has just married the attractive Simon Doyle in a dream ceremony that seems overshadowed by envy and resentment. However, the couple's happiness is abruptly interrupted when an old friend, the jealous Jacqueline de Bellefort, boards the same vessel, determined to win Simon back at any cost.
As the luxurious boat glides through the tranquil waters of Egypt, tension among the passengers escalates. On a fateful night, Linnet is found dead in her cabin, leaving a trail of secrets and suspicions. Now, everyone has motives to be considered guilty.
The famous Belgian detective Hercule Poirot, who happens to be on the boat, is drawn into the intrigue and whirlwind of emotions surrounding the murder. Using his wit and unmatched ability to unravel the truth, Poirot begins to question the passengers, uncovering hidden jealousies, betrayals, and a web of relationships that reveal the true faces of those involved. In a clash of cunning and deceit, the investigator plunges into a deadly game where each step could expose the murderer… or put his own life at risk.