Michael Banks works at the bank where his father was employed, and he still lives at 17 Cherry Lane with his three children, Annabel, Georgie and John, and their governess Ellen. Like her mother before her, Jane Banks fights for workers’ rights and helps Michael’s family. When the family suffers a tragic loss, Mary Poppins magically reappears in the family’s life. With the help of Jack, the ever-optimistic lamplighter, Mary will do everything so that joy and wonder come back into their lives … She will also introduce them to brand new, fancy characters, including her cousin. eccentric Topsy.