With the renovations on her beloved home nearly complete, Jessica Fletcher is in high spirits and ready to celebrate Christmas. The joyful festive atmosphere, however, is broken by a disturbing discovery: bones emerge from the land of her property. Apparently, they don't all date back to the same era; However, Jessica suspects that, despite the centuries that separate them, the remains may be connected. When reporter Tad Hollenbeck is murdered, the murders don't seem destined to remain in the past. More clues, or rather, more corpses give evidence and as Jessica digs deep to find the connection between those bones and Tad's death, everything seems to lead back to a mystery that has long tormented Cabot Cove. Even the idyllic Maine town hides a dark secret and Jessica will have to bring it to light to save Christmas... and prevent it from being her last.