On a world at the farthest limits of the imagination, those who attain glory return as gods. And those who can master the essence known as "breath" can perform the most wondrous miracles - or unleash the most devastating havoc. Caught up in deadly intrigue, two princess sisters face the consequences of one of the sisters' impending marriage to a God King. And further complicating the sisters' fate is the troubling - and destiny-changing - presence of Vasher, also known as the Warbreaker.