It's Christmas in the beautiful town of Sainte Victoire, lights are twinkling and choirs are singing. Jean is looking forward to spending it with her new friends.
Jeremy stumbles upon the body of a dead woman. The only clue to her identity is a Victorian comb in her pocket. Jean realises it's a cake comb, but what would she be doing with that?
Jean and Dom help Caron solve a murder in a remote country mansion. A mysterious key could hold the solution, but what does it open? Meanwhile, love rolls into town for Gloria.
Jean is visited by honeymooning friends from England, but all is not going well for the newlyweds. Their happy ever after may be curtailed by a cursed pack of tarot cards.
A musician is found dead with a head injury and a strange symbol drawn on his face. It's up to Jean and Dom to unravel how the victim could have died alone in a locked room.