 Marge Simpson is starting to loose hair due to the stress of running the Simpson household. The family decide to get a nanny and are approached by Shary Bobbins, a Mary Poppins figure in Victorian attire, complete with a flying umbrella. The British nanny seems to bring joy to everyone with her London music hall style singing and eccentric charm. Yet working in the Simpson household soon starts to cause problems for the kindly nursemaid...