Death on the Nile (1978)

In the movie "Death on the Nile" released in 1978, based on Agatha Christie's novel, renowned detective Hercule Poirot finds himself entangled in a murder mystery while traveling on a luxurious river cruise. The central story revolves around Poirot's investigation into the murder of a wealthy heiress aboard the ship, where multiple passengers become suspects. As Poirot delves into the case, secrets, motives, and betrayals unravel, leading to a surprising conclusion. Key characters include Hercule Poirot, the suspects onboard the ship, and the victim herself.