Tracing Dame Maggie Smith's life from Ilford to the dizzy heights of Broadway and Hollywood, where she has become one of the most-loved stars of stage and screen. Over her long and distinguished career, Maggie has played an astonishing array of characters, from Miss Jean Brodie and the homeless eccentric Miss Shepherd in The Lady in the Vanr, to the stern Professor McGonagall in the Harry Potter movies and the domineering dowager in Downton Abbey.