The story of Margaret Marsh, who comes of age in interwar England. Margaret grows up the only child in an oppressively religious household, and her world gets a much-needed shaking up when her mother, Ellie, has another child and hires a maid, the bawdy but loving Lydia. Lydia immediately begins taking Margaret on day trips that open her eyes to the way others live. Margaret's father, Kenneth, meanwhile, sees Lydia as a laboratory for his Godly work,...