Prophecy Episode 3 - “Sisterhood Above All” are in play. If you haven’t seen this week’s episode via HBO or with a Max subscription, you’ve been warned. If we’re going by the traditional three-act structure,

"Dune: Prophecy" episode 3 focuses on young Tula Harkonnen's relationship with Orry Atreides. Star Emma Canning breaks down Tula's pivotal choice.

Dune: Prophecy's Emma Canning discusses Episode 3, playing a younger version of Olivia Williams, why Tula's plan grows beyond her control, and more.

Dune: Prophecy star Emma Canning discusses breaking down Tula's character arc with Olivia Williams, loyalty to Valya, and feelings for Orry Atreides.

Thanks to a protracted flashback in Dune: Prophecy Episode 3 “Sisterhood Above All,” we now have a sense that Tula might actually be the more deadly and dangerous Harkonnen sister. **Spoilers for Dune: Prophecy Episode 3 “Sisterhood Above All,” now streaming on Max**

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.

Episode three of Dune: Prophecy looks back at Valya and Tula's past, providing the show's richest character drama yet.

Sisterhood above all” is the mantra. And it’s not like the Harkonnen sisters don’t believe in it. But Tula has her own agenda, too, just like Valya. They are aligned in their ongoing purpose, one that will combine their personal aims with the Imperium-maneuvering machinations of the reverend mothers.

Sisterhood above all” is the motto of Valya and Tula’s secretive organization, but its meaning seems to depend on which sister is saying it.

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

The Sisterhood. The sisterhood in question refers to the manipulative nuns known as Truthsayers, but it could just as easily refer to the two most important characters in the show: Valya and Tula Harkonnen.