Two lost souls tip the balance in a war where only their sins will save them. Sidney Westerbrook has always studied darkness and damnation from a sensible distance. Now to earn his place as a league bookkeeper, he must discover why Chicago is such a battleground of soul-linked warriors. But the research becomes personal when he finds himself over his head, under attack, and at the mercy of Alyce Carver - a waif with demon-lit eyes and a deep yearning in her heart. Intense series from a talented new author.