As a difficult 1918 draws to a close, there is much to celebrate for nineteen-year-old Phoebe Renshaw and her three siblings at their beloved family estate of Foxwood Hall. The dreadful war is finally over; eldest daughter Julia’s engagement to their houseguest, the Marquis of Allerton, appears imminent; and all have gathered to enjoy peace on earth, good will toward men.

But on the morning of Boxing Day, the Marquis goes missing. Not entirely missing, however, as macabre evidence of foul play turns up in gift boxes given to lady’s maid Eva Huntford and a handful of others. As the local constable suspects a footman at Foxwood Hall, Phoebe and Eva follow the clues to a different conclusion. But both young women will need to think outside the box to wrap up this case-before a cornered killer lashes out with ill will toward them…