American Anglophile Dorothy Martin uncovers strange goings-on when she attends the christening of an English aristocrat. Dorothy Martin and her husband Alan have been invited to rural Suffolk to take part in the christening of the newest member of the aristocratic Montcalm family. But on arriving at Dunham Manor, they discover the household in turmoil as the ceremonial dagger used in Montcalm family christenings for generations...