The time is the distant future, where by far the most precious commodity in the galaxy is water. The last surviving water planet was somehow removed to the unreachable centre of the galaxy at the end of the galactic trade wars. The galaxy is ruled by an evil emperor (John Carradine) presiding over a trade oligarchy that controls all mining and sale of ice from asteroids and comets.
A victim of his own anger, the Kid (Prince) is a Minneapolis musician on the rise with his band, the Revolution, escaping a tumultuous home life through music. While trying to avoid making the same mistakes as his truculent father (Clarence Williams III), the Kid navigates the club scene and a rocky relationship with a captivating singer, Apollonia (Apollonia Kotero). But another musician, Morris (Morris Day), looks to steal the Kid’s spotlight — and his girl.
In the year 10191, a spice called melange is the most valuable substance known in the universe, and its only source is the desert planet Arrakis. A royal decree awards Arrakis to Duke Leto Atreides and ousts his bitter enemies, the Harkonnens. However, when the Harkonnens violently seize back their fiefdom, it is up to Paul (Kyle MacLachlan), Leto’s son, to lead the Fremen, the natives of Arrakis, in a battle for control of the planet and its spice. Based on Frank Herbert’s epic novel.