Guarda Streamingcommunity. In this full-length documentary, Mary Murphy explores the enduring power, popularity & mystery that is Harper Lee. She interviews Oprah Winfrey, Wally Lamb Anna Quindlen, James McBride and others, and with rare cooperation from Harper Lee’s family and friends tells the story of a novel that became an American classic. In the newest edition of the film, Harper Lee from Mockingbird to Watchman, Murphy examines the rediscovered novel and its place alongside To Kill A Mockingbird.