A dark and tender post-apocalyptic love story set after a bloody war. In a city where humans and Darklings are separated by a high wall, and tensions between the two races still simmer after a terrible war, sixteen-year-old Ash Fisher, half-Darkling, and Natalie Buchanan, a human and the Emissary's daughter, meet and the unthinkable happens - they fall in love. Bound by a mysterious bond that sets Ash's long-dormant heart racing, he and Natalie initially deny and then struggle to fight their forbidden feelings for each other, knowing that if they are caught they will be executed - but their feelings are too strong .When Ash and Natalie find themselves at the center of a deadly conspiracy that threatens to reignite the war between humans and the Darklings, they must make difficult choices that could spell death for both of them.