It should have been a simple journey: three friends driving cross-country towards Green Bay, Wisconsin.

The Grace, Annie and Sharon break down... Deep in the northern woods, far from civilization.

Just how far becomes clear when the women stumble into Four Corners: a dead town hiding a deadly secret. It's a secret people have already died for; and the terror is far from over. Because there are people who will stop at nothing to prevent the truth - and its witnesses - from ever leaving...