The story of British officer T.E. Lawrence’s mission to aid the Arab tribes in their revolt against the Ottoman Empire during the First World War. Lawrence becomes a flamboyant, messianic figure in the cause of Arab unity but his psychological instability threatens to undermine his achievements.

As Hercule Poirot enjoys a luxurious cruise down the Nile, a newlywed heiress is found murdered on board. Can Poirot identify the killer before the ship reaches the end of its journey?