TheDukeofFromeJohnLangtonwithhiswife,theirbabybornaftercomplicationsduringchildbirth,adomineeringnanny,nurserymaidandvaletarriveatMontagueHallforLadyFelicia'
sYuletideball.Duringtheeveningthebabyistakenfromhiscot.InspectorMallorysuspectsaninsidejobbythevaletwhenhissecretwifearriveswhileBrownismoreinterestedinthebirth...
