Every lock needs a key to open it. Every key has a lock to open. Sapphire has no memories of her childhood or her parents. All that she knows is that her mother is dead, her father is missing and she is left alone. Ever since Sapphire turned sixteen, she has had the same dream, of the same boy dying in her arms. She was a Seeker. Seekers are people who have a destined partner chosen by fate and also have extraordinary abilities. One day, the boy from her reoccurring dreams appears before her, claiming that he knows her. But how can that be? How can the crown prince know her?
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.