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.

Two banker's children lose their nanny due to her frustration with them. A change in the wind blows in a magical nanny who matches the qualifications of the children, but not the very proper father. As she helps the children magically explore the world around them, the father grows increasingly disapproving of her methods, and he must eventually deal with his own distance from his children.

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....

When P.L. Travers travels from London to Hollywood in 1961 to finally discuss Walt Disney's desire to bring her beloved character Mary Poppins to the motion picture screen (a quest he began in the 1940s as a promise to his two daughters), Disney meets a prim, uncompromising sexagenarian not only suspect of the impresario's concept for the film, but a woman struggling with her own past. During her stay in California, Travers' reflects back on her difficult...

"What happens to Alice when she comes back from Wonderland? Wendy from Neverland? Dorothy from Oz? The three meet here, at Cheshire Crossing -- a boarding school where girls like them learn how to cope with their supernatural experiences and harness their magical world-crossing powers. But the trio -- now teenagers, who've had their fill of meddling authority figures -- aren't content to sit still in a classroom. Soon they're dashing from one universe...