It's Christmas at Westbury Manor and amateur detective Hugh Gaveston must unravel a fiendish mystery... Christmas Eve, 1938. The Westbury family and assorted friends have gathered for another legendary celebration at their beautiful country house. The champagne flows, the silverware sparkles and upstairs the rooms are ready for their occupants. But one bed will lie empty that night. On Christmas morning, David Campbell-Scott is found dead in the snow ...