Half of your soul is missing. The lost part is in the Other. And unless Sylas Tate can unite the two worlds, you will never be whole again. Sylas Tate leads a lonely existence since his mother died. But then the tolling of a giant bell draws him into the world of the Other, where he discovers not only that he has an inborn talent for magic, but also that his mother might just have come from this parallel world. Meanwhile, evil forces are stirring, and an astounding revelation awaits Sylas: that the Other is a mirror of our world, and every person here has their counterpart there, known as a Glimmer. As violence looms and the stakes get higher, Sylas must seek out his Glimmer, and unite the two halves of his soul - otherwise the entire universe may fall...