Dhampirs and vampires secretly co-exist among humans. When war breaks out among them, they are left scrambling to survive.
Xavier Firenze, a Dhampir, is tired of living by the rules. So when his Creator, Tatiana, finds Ally Conner to become his mate, he refuses to change her. Instead, he longs to keep her human, to test his own boundaries and fall in love the “human way".
As the two fall passionately in love, they are pulled in two different directions: one wishes to live forever, the other regrets not having choice. As Xavier questions his love, the thin line between love and lust, and his own existence; trouble brews in the Vampire Court. Prince Lazarus is out for blood and will stop at nothing to wipe the city clean of humanity and make himself king over his race. Threatened by their own emotions, and by Lazarus, Xavier and Ally must find common ground in an uncommon situation before war tears them apart.