The Duke of Frome John Langton with his wife, their baby born after complications during childbirth, a domineering nanny, nursery maid and valet arrive at Montague Hall for Lady Felicia's Yuletide ball. During the evening the baby is taken from his cot. Inspector Mallory suspects an inside job by the valet when his secret wife arrives while Brown is more interested in the birth of the baby at a home for unmarried mothers. Mrs McCarthy under pressure from the diocese to provide a Christmas service fit for a Duke receives unexpected help from a vagrant she finds in the confessional.半晌，她又说道：“妈，就算我有错，凤晴也不能冻结我的银行卡呀，她有什么资格这样做？她还没有当家作主呢，就这样对我了，等她真的成了凤家主，妈，我还有活路吗？”……