After House Atreides is betrayed by the Emperor and House Harkonnen on the planet Arrakis, all of the House Atreides are killed except for Paul Atreides and his mother. He becomes stronger under the influence of the planet's desert spices and later becomes the Messiah to the people of Arrakis, "lisan al gaib", leading them to liberate them from the Emperor and House Harkonnen and avenge his house and his father. The film follows Paul's journey to confront the Emperor's champion, Feyd-Rautha Harkonnen.