Everleigh and Kash are on the run from her father and his leagues of demons and fallen angels. While Everleigh is struggling to learn and harness her newfound powers, Kash is struggling to keep from reverting to his dark side that followed Lucifer during the fall from grace.
It is an age-old battle between good and evil and Lucifer is out for blood-Everleigh's, and if he can take down the entire mankind while he's at it-the more the merrier.
Allies will form and be broken as the war draws near, and Everleigh will have to decide if the love for one boy worth the destruction of the entire human race.