Bound by Vengeance. Sadie has found the resolve to fight the man who caused so much pain in her life. Her tentative alliance with the HCA underground gives her the resources to train both her body and Talent for when she comes face to face with her grandfather. Bound by Loss. Being separated from her friends at St Vincent's is harder than she could have ever realized and it doesn't help that Kian has withdrawn from her as well. With help from a new friend, Sadie uncovers more about her past and that someone close to her has been keeping secrets from Sadie her entire life. Bound by Fear. Tragedy strikes close to home, giving a longstanding enemy, one desperate and willing to do anything to have Sadie on their side, an opportunity to arise. Allies and friends come together to stand against evil, but at a terrible cost. Sadie's history and future collide while the world is thrown into chaos. Sadie must overcome or forever be Bound.