The "Reverend Mother" (Dame Maggie Smith) seeks out the now hugely successful "Deloris" (Whoopi Goldberg) to help her to save a school from closure. Upon arrival, and assumption of her clerical moniker "Sister Mary Clarence" she discovers a disparate band of students who have little faith in themselves, each other - or their teachers. Can she lick them into shape and use their newly formed choir t...