Brenden McCarthy feels like he's lost everything. His fiancee. His independence. And his passion for life. All due to one tragic misstep while mountain climbing that cost him his sight. But he's about to gain the last thing he ever expected. A big-hearted black Labrador named Nelson who's given one last shot at being a Seeing Eye dog. Both are beyond hope and resigned to live alone. And both are about to experience a bond of friendship that develops when they least expect it.