Dune: Prophecy's latest episode exposes House Harkonnen's fatal flaw: that even the noblest of members can be corrupted in the pursuit of revenge.

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

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

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.

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**

As the mystery surrounding Desmond Heart grows, the sisterhood is at real risk in 'Dune: Prophecy' Episode 3. Here's what you need to know.

Dune: Prophecy Episode 3, titled Sisterhood Above All, will see major plot twists in an increasingly charged storyline for both Desmond Hart, a tool of the Emperor, and Valya Harkonnen. The tension was high in Episode 2, and it will continue to establish events that will affect the trajectory of the series as a whole.

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

The following review contains spoilers for the third episode of Dune Prophecy, “Sisterhood Above All”

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,