Dune: Prophecy episode 3 explores sisterhood and revenge in Harkonnen family dynamics

In Episode 3 of "Dune: Prophecy," titled "Sisterhood Above All," Mother Superior Valya Harkonnen works to strengthen the Sisterhood's influence while flashbacks reveal her past with sister Tula. They plot revenge against the Atreides family after a family member's return. Young Valya and Tula face challenges, including betrayal and murder, as they navigate their ambitions within the Harkonnen family. Tula ultimately kills her boyfriend's family, following Valya's orders, while Valya undergoes a transformative ritual to gain power. In the present, Tula struggles with the death of her acolyte Lila, keeping her body in stasis against Sisterhood rules. Both sisters remain committed to their goals, blending personal ambitions with the Sisterhood's objectives.