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.弗洛姆公爵约翰·朗顿和他的妻子，他们的孩子在 分娩并发症后出生，一个专横的保姆，保姆和男仆来到蒙塔古大厅参加菲利西亚夫人的圣诞舞会。晚上，婴儿从他的小床上被带走。马洛里探长怀疑贴身男仆在他的秘密妻子到来时做了内奸，而布朗更感兴趣的 是在未婚妈妈的家里生孩子。麦卡锡夫人在教区的压力下为公爵提供圣诞服务，从她在忏悔室找到的流浪汉那里得到了意想不到的帮助。