该剧改编自小说《沙丘：姐妹会》，设定在《沙丘》保罗·厄崔迪崛起的一万年前，讲述哈克南的“姐妹”与威胁人类未来的危机作斗争，并创建了传说中的贝尼·杰瑟里特姐妹会。

Barnaby accompanies Joyce on a spa weekend to Swavely Manor. But as he attempts to de-stress, a woman is found dead in the floatation chamber. Abandoning the treatments to investigate, Barnaby uncovers a feud between nei…

When the residents of Morton Fendle learn that the local mill is to be shut, many also realize that they will lose their investments in the place. Alan Hollingsworth had encouraged the locals to invest but he is now bank…