Mercedes has come to Felix’s birthday party, ready to see her father for the first and last time. She and her other siblings are fated to lose their battles with Felix, permanently ousting them as contenders to be their father’s heir. In fact, Mercedes has already lost her battle and is ready to set off and live as a Seeker, but then, something unexpected happens—one of her brothers sets a demon loose at the party. When Mercedes steps in to save the day, the course of her life takes a dramatic turn...