Sally Lindsay returns to the village of Sainte Victoire as antique dealer and crime solver Jean White for series 4 of The Madame Blanc Mysteries. Having declared their feelings for one another at the end of series three, we find Jean and her sidekick Dom in a blossoming, secret romance. When a puppeteer is found murdered at the Christmas market Jean is brought in to help officer Caron with his investigation. With more crimes to solve and a visit from an old friend, will Jean and Dom be able to sustain their relationship?