David Lai is a music prodigy. At age three, he taught himself to play the key board. At age 13, David was one of only 16 students admitted to the best music school in China. He has played piano with the world famous pianist Lang Lang at China's National Opera house and taught himself to speak English as a native English speaker. But Daivd is blind and his family is poor. "Glimpse of Greatness" documents how David and his family overcome difficulties and continue pursing his dream of becoming a world class pianist.