Grace O'Rean, a 17 year old girl arrested for unfair judgement from Chancellor Jaha, only wanted to protect her "sister" ,Charlotte, from getting thrown into the Skybox. Though her efforts are not enough to stop them both from becoming prisoners she vows that she'll protect Charlotte from getting hurt again. Soon her and Charlotte are sent to the Earth with 97 other prisoners. On the ground Grace must face her enemies, love, and worst of all death.