After narrowly escaping death at the hand of the Order of Shadows, Harper finds herself thrust into the strange and beautiful world of the shadow demons. But crossing through the portal doesn't mean she is safe. The Order of Shadows is determined to bring her home and transfer the Prima line to the Harris family. They send their most vicious hunters after Harper. Hunters who will not stop until they have found their prey. Determined to keep her safe, Jackson takes her deep into an underground world filled with dangers of its own. Here, Harper will begin a journey that will teach her more about herself and her own path than she ever imagined possible. But will her relationship with Jackson survive?