Nathan, emotionally scarred after three tours in Afghanistan, lives alone in Manhattan until New Year's Eve, when he meets Lara. The next morning, he notices that something odd is going on—a terrified kid is being pursued by his father. A young girl, Sally, pleads with Nathan to hide her from her parents. There is no internet, no television, no phone coverage. Nathan, Lara and Sally flee along the East Coast, encountering madmen, terrorists, the armed forces, and other children frightened for their lives. The only thing Nathan knows for sure is that he must not fall asleep...