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.
After receiving word about events on Salusa Secundus, Valya brings Theodosia to the Imperial House to help manage the situation. Meanwhile, a reluctant Tula enlists Lila for a vital mission.
Following a tragedy, young Tula worries about being accepted despite her family name, while a skeptical Valya struggles with the decision to take the Sisterhood vow. Years later, Valya receives a message that confirms her suspicions.
As Tula attempts to understand the acolytes’ shared dream, Valya sets her plan in motion to redeem House Harkonnen ahead of the Landsraad.