It's Christmas Eve, and Jeremy, Judith, Jean and Dom have been invited to an exclusive event at the Musée de Sainte Victoire. On arrival, they meet flashy millionaires George and Aurielle, who are determined to put the old museum back on the map. However, a rare Ormolu box once owned by Marie Antoinette, a bomb and a cuddleer soon turn the festive season into a nightmare.