Magical children's feature, starring Emma Thompson. Cedric Brown (Colin Firth) has recently lost his wife and is faced with the prospect of trying to raise his seven unruly children on his own. With the wild children too much for most nannies, all of whom have quickly left his service, Cedric is one day commanded by a mysterious voice to hire the witch-like Nanny McPhee, who uses her magical powers to keep the children in line.