In this third installment, "Sisterhood Above All," we begin with a shellshocked Valya exiting the palace gates on Salusa Secundus with Sister Theodosia. Fearing that the Sisterhood's hold on the great houses is quickly slipping, they must act fast to regain control, especially with the Emperor's House Corrino.

Prophecy, while Mother Superior Valya Harkonnen endeavors to shore up the Sisterhood’s Imperium support in the present, we also return to flashback mode, and what Young Valya and her sister Tula (Emma Canning) were up to in the past,

Earlier this year, Disney+ aired a Star Wars TV show called The Acolyte, about a pair of long-sundered sisters who were powerful in the Force. The third episode

Prophecy season one, episode three, "Sisterhood Above All," the series shows us flashbacks of Valya and Tula Harkonnen's past.

Dune: Prophecy, Episode 3, "Sisterhood Above All," dives deeper into Valya and Tula Harkonnen's histories, and reveals shocking secrets about them.

Prophecy episode 3, which has significant thematic meaning for House Harkonnen. 10,000 years earlier than Denis Villeneuve's movies on Dune's timeline, House Harkonnen and House Atreides are still at each other's throats.