Georgie is excited for her first Christmas as a married woman in her lovely new home. She suggests to her dashing husband, Darcy, that they have a little house party, but when Darcy receives a letter from his aunt Ermintrude, there is an abrupt change in plans and they find themselves invited to spend Christmas with the Queen. It soon becomes clear that the Queen expects Georgie to do a bit of spying. There have been a couple of strange accidents at the estate, including two deaths...