Nathaniel is a literal guardian angel for the heavens, leading an army above to help fend off any attacks that hell may send their way or destroy the path towards it, Earth. What he didn't plan was falling in love with a ordinary human girl who he found along the way during a battle against Hell. However, after the many years together, he is called back to Heaven suddenly, leaving poor Emily behind who would do anything to see him again. But when a witch offers to grant her wish, Emily jumps in head first without caution and learns what the phrase, "Be careful what you wish for." means the hard way.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.