The tale of young Leto Atreides learning to become a ruler in the shadow of his great father. The tale of Baron Vladimir Harkonnen, ruthless tyrant who becomes a pawn of Bene Gesserit breeding schemes. The tale of Pardot Kynes, ambitious planetologist dispatched to the sands of Arrakis to understand the origins of the spice melange, the most valuable substance in the known universe. And the tale of Crown Prince Shaddam Corrino, whose lust for power leads him to plot the assassination of his own father and to create a plan that will replace the spice and disrupt the Imperium forever . . .