The mage Kali has uncovered the secret of the thralls: the unseen foes possessing the Aredian people. But Kali must pay a high price for this discovery - her own humanity. Her sentinel lover, Stonewall, is desperate to flee Whitewater City with Kali, but his commanding officer has other plans for him. Meanwhile, a grieving Eris plans to free the final few mages trapped in the Whitewater City bastion, but first she must gather her allies and fortify her spirit to face the coming storm.Catalyst Moon: Storm is the third book in an epic fantasy series with notes of romance that introduces an old world where magic is new and rebellion draws ever closer.