Walt Disney becomes determined to adapt Mary Poppins into a film, but faces an obstacle in the shape of author PL Travers, who resists the idea of a sentimental Hollywood version of her book. As the movie mogul's charm offensive comes unstuck, he begins to realise why the story is so important to its creator. Fact-based drama, with Emma Thompson, Tom Hanks, Paul Giamatti and Colin Farrell
