Carter and his older sister Grace thought the hike with their dad and their dog would be uneventful. If anything, they figured it was Dad?s way of getting them off their screens for a while. But the hike on Blood Mountain turns ominous, as the siblings are separated from their father, and soon, battling the elements. They are lost. They are being hunted, but who will reach them first? The young ranger leading the search? Or the mysterious mountain man who has gone off the grid?