Mary Poppins Returns [Blu-ray]In 1930s London, recently widowed Michael Banks (Ben Whishaw) faces losing his family home on Cherry Tree Lane, which he shares with his sister Jane (Emily Mortimer), three children and housekeeper Ellen (Julie Walters), after getting into financial difficulties. At his lowest moment, nanny Mary Poppins returns to lend a helping hand and once again bring a little magic and adventure into the lives of the Banks family.