Thalli thought escaping to the surface would mean freedom. But is she any less of an anomaly aboveground? After escaping an underground annihilation chamber, Thalli, Berk, Rhen, and John find themselves fleeing across the former United States, aboveground for the first time. As the defectors cross the for gotten landscape, the three youths see things the y had only read about on screens: horses, rain, real books--and a colony...