Jen and a group of friends set out to hike the Appalachian Trail. Despite warnings to stick to the trail, the hikers stray off course—and cross into land inhabited by The Foundation, a hidden community of mountain dwellers who use deadly means to protect their way of life.
Lucas, a diamond trader who travels to Saint Petersburg to arrange a sale, discovers that his Russian business partner has left his hotel and gone to a small Siberian village, so Lucas also heads there to try find him.
