In 2011, Glen Campbell announced he had been diagnosed with Alzheimer's disease and that he would be bowing out with a final album and farewell tour across Britain and America. This documentary tells Campbell's remarkable life story, from impoverished childhood in Arkansas through huge success first as a guitarist and then as a singer, with great records like Wichita Lineman and Rhinestone Cowboy. With comments from friends and colleagues including songwriter Jimmy Webb and Mickey Dolenz of the Monkees, it's a moving story of success, disgrace and redemption as rich as any of the storylines in Campbell's most famous songs.