A strange heat rises, burning across two worlds, bringing with it a plague of fire; a scourge that causes not death but dark transformation.
Travis Wilder has slipped back into his old life in Colorado. But his peace is short-lived as he finds himself hunted by two mysterious organizations, each seeking knowledge of the otherworld, Eldh.
On Eldh, grace Beckett - modern-day doctor and medieval witch - discovers that Travis has returned and that he is in peril. Unaided by a band of true companions, Grace embarks on an urgent mission to save Travis, only to learn that his fate is caught in a web of greater evil . . .