 The film was written by Marshall, Bob Brunner, and Malia Scotch Marmo (uncredited).After receiving a well-earned certification from a sheltered boarding school, Carla Tate (Juliette Lewis), an ambitious and mildly mentally disabled young woman, returns home to her over-protective and slightly snobby mother Elizabeth (Diane Keaton).Elizabeth seems to act as if she is embarrassed about her youngest daughter's disability.