timespace coordinates: 1916 – 1941 London / Cotchford Farm, the northern edge of Ashdown Forest in East Sussex, South East England.
Goodbye Christopher Robin is a 2017 British biographical drama film about the lives of Winnie-the-Pooh creator A. A. Milne and his family, especially his son Christopher Robin. It was directed by Simon Curtis and written by Frank Cottrell-Boyce and Simon Vaughan, and stars Domhnall Gleeson, Margot Robbie, and Kelly Macdonald. (wiki)