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, Valya faces a threat to her long-awaited plan.

As Tula attempts to understand the acolytes' shared dream, Valya sets her plan in motion to redeem House Harkonnen ahead of the Landsraad.