Dune: Prophecy

On Wallach IX, young Valya Harkonnen promises Mother Superior Raquella that she'll protect the Sisterhood by putting one of their own on the Imperial Throne. Thirty years later, on Salusa Secundus, Valya works to combat a new threat to her long-awaited plan for a marriage between Princess Ynez-Arat and a young Richese prince.