Emma Jane Hellsbane just found out shes not humanor, at least, not only human. Shes half angel, too, and now Heavens got a job for her: round up all the Fallen angels and their red-skinned, horned devil-demon minions and boot their butts back into the abyss. Of course, in the meantime, shell have to avoid accidentally seducing her angelic mentor, help an old friend conquer his own Fallen sperm donor, and basically save the world from a cataclysmic divine smack down.