Antoine Verlaque, examining magistrate for the beautiful town of Aix-en-Provence, doesn't like Christmas. But his wife and partner Marine Bonnet is determined to make this a Christmas they can enjoy. Just as the holiday cheer is in full swing, a man is poisoned, sending the community into a tailspin. The list of suspects almost fills the town's huge church, from the visiting vendors at the Christmas fair to the victim's unhappy wife and disgruntled business partner. Now the pair must solve the murder while the spirit of the season attempts to warm Verlaque's stubborn heart.