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简介：

　　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...