After Mary Poppins departed London, Jane and Michael Banks grew up into loving and responsible adults. When Michael becomes a single father of three children after the death of his wife, Mary Poppins revisits the Cherry Tree Lane home again to try to help Michael and his family cope and move beyond their grief. Time passes quickly for most normal mortals. Mary Poppins has never been normal. Although it's now the 1930s, she looks exactly the same....

An extraordinary English nanny blows in on the East Wind with her parrot-headed umbrella and magic carpetbag and introduces her charges, Jane and Michael, to some delightful people and experiences.

Mary Poppins, the unflappable nanny of the Banks children, is back again! It is a day like any other for Mary Poppins and the Banks family in Number Seventeen Cherry-Tree Lane—until a telegram arrives with the momentous news that Miss Andrews, the Holy Terror, is coming to live in the house next door. The house has always been empty and so has become the treasure of Cherry-Tree Lane—each neighbor has filled it with personal dreams.

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An extraordinary English nanny blows in on the East Wind with her parrot-headed umbrella and magic carpetbag and introduces her charges, Jane and Michael, to some delightful people and experiences.