Violet arrives at a mansion where a young girl named Anne lives with her wealthy, but sickly, mother. Anne's mother has hired Violet for seven days to write letters, but Anne is not told what the letters are about or who they are for. In addition, Anne is both mistrustful and fascinated by Violet, as she mistakenly believes her to be an actual living doll due to her prosthetic arms. Over the next week Anne comes to accept Violet but cannot accept being separated from her mother while the letters are written...