Dylan Taggart is on the run. His family is trying to put him in a school for psychologically challenged students, and he gets it—he has issues. But a special school is a complete overreaction. And in six months, he'll be a legal adult, so Dylan decides to disappear on the Appalachian Trail until he can make his own decisions. Dylan wanted independence, but setting out on a 2,190-mile hike by himself is more than he bargained for. And he keeps crossing paths with another teen hiker, known only as "The Ghost." This mysterious girl is also making the trek alone, and Dylan can tell she's trying to escape too. But from what? When disaster strikes, how can they trust each other if they can't face their own secrets?