Officially back in the arms of her vampire boyfriend Magnus, Sunny finds she still can't forget the gentle mortal Jayden who once saved her life. When darkness threatens to steal his humanity, Sunny must make a choice: stay true to her love, or defy him in a desperate attempt to save Jayden's soul. Meanwhile, the Blood Coven is gearing up its toughest fight yet. They are going head-to-head with a splinter group of Slayer Inc. that's regrouping in Tokyo, Japan-still determined to take over the world. In dark blood bars and hidden temples, it'll be vampires versus slayers in a showdown that could not only cost Sunny her heart . . . but also her life.