When Mathieu followed his king to war, he knew the Crusades were holy, that God went with him, and that he would return to the arms of his truest love. 800 years later, enslaved by the demon Gadreel, all Mathieu knows is pain. After winning his freedom, Mathieu emerges from the dark void of captivity, only to find himself facing the soul of the love he left behind, in the eyes of Jenn Bartlett. Can he do the terrifying thing she asks of him, and still save her from the monster he has become? Or will the darkness overcome them both?