On their annual horseback wilderness camping trip, Karlie and her dad run into a bit of unexpected trouble - trouble that quickly turns terrifying. Karlie's dad is attacked by a murderer, then as he and Karlie escape, they are separated. Karlie knows she must find him and take him to a hospital. But she's not the only one looking for him. The murderer is looking too, for her dad and for her. Can she save her dad? Can she even save herself?