In 1890 twelve guests gather at Desborough Hall for a week's shooting party hosted by the beautiful Lady Amelia Hammond. Months of planning have left nothing to chance, for the main guests are the Prince and Princess of Wales. But events take a sinister turn when the vivacious Queenie Chimes collapses face down in the chef's lovingly created bombe-glacée. More deaths follow and clues planted on the bodies point shockingly to a final tally of seven, one for each day of the week. Bertie is compelled to investigate.