After years of training to become a spy for the kingdom of Aberash, Samaria "Sam" Sayomi has been assigned her first mission - steal an important war document from a high ranking general. Confident and eager to prove herself, Sam journeys to the enemy kingdom, Xantara, where she expects to complete her mission with ease. But Sam's assignment proves to be more difficult than she had originally thought.
Behind their monotonous and uncaring demeanor, the people of Xantara are innovative and sympathetic, not unlike to the people of her home country. Deep within enemy territory, Sam finds herself befriending an aspiring architect named Zeno.
The lines between right and wrong quickly become blurred, forcing Sam to make a decision that will change the tide of war and her heart forever.
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.