Māus had never backed down from a conflict. But when it came to Anna he had no weapons. The means he would go to, to keep her safe—and what he would give so that she would have a future. As the story of Anna, Maus and Uriel continues and the conflict between Guardian and Heylel lives on, Brom and Winter turn eighteen under the Guardians and Sheppard’s watchful eye. With the Guardians’ realm unaware, Maus and Anna’s relationship only deepens. When Brom is taken to Under Realm, and after hiding Anna in Uriel’s castle for a time, Maus comes for her, but she and Winter are soon taken. While Uriel and the Grigori lay plans to re-enter the same way they had escaped to rescue Anna without a fight, more trouble comes. With Maus fighting his way down and Uriel in UnderRealm—will they reach the Nephilim before the Heylel take what they want from them? As Maus and Anna strengthen their commitment will the bond they share be their undoing?