Avery West's newfound family can shut down Prada when they want to shop in peace, and they can just as easily order a bombing when they want to start a war. Part of a powerful secret society called the Circle, they believe Avery is the key to an ancient prophecy. Some want to use her as a pawn. Others want her dead.<br />To unravel the mystery that has put her life in danger, Avery must follow a trail of clues from the monuments of Paris to the back alleys of Istanbul with two boys who work for the Circle: beautiful and volatile Stellan, and mysterious and magnetic Jack. But as the clues expose a stunning conspiracy that might plunge the world into World War III, she discovers that both boys are hiding secrets of their own.<br />Now Avery will have to choose not just between freedom and family but between the boy who might help her save the world and the one she's falling in love with.