Don Snyder and his young son, Jack, made a pact: if one day Jack became good enough to play on the pro golf tour, Don would be his caddie. Years later, Jack was a standout college golfer, and Don moved to St. Andrews, Scotland, to learn from the best caddies in the world. Finally, Don and Jack reunited --- and confronted the challenges of a father-son relationship that had inevitably changed since the days when their journey began.