Harry must follow Home's strict rules, set by his grandfather. When he discovers Julie, a refugee of the European Great Drought, looting for food, he disobeys his orders and lets her go. But Home does not allow infringements, and he has to flee with both her and his vulnerable brother, Scott. When they discover the deadly fate that awaits the refugee caravans, including Julie's family, Harry must decide whether to hide or fight - even if fighting...