Caleb is fifteen years old. Jael is sixteen. They begin their relationship chained together. As their captors later tell them, they are joined at the hip. If one falls, the other must pick her up. If one breaks the rules, the other is punished. If they are to survive, Caleb, a sheltered only child and Jael, a street-wise orphan, must indeed be joined at the hip, work together to stay alive. And if they can, help their fellow captives survive along...