Starring Isabelle Huppert and Jacques Dutronc as the epitome of marital bliss, living a beautiful lavish life in Lausanne, Switzerland. While Mika (Isabelle Huppert) is busy running a successful chocolate company, Andre (Jacques Dutronc) rehearses marvelous compositions on the piano. Deep down, something is amiss, and Chabrol spins this bittersweet yarn into a dark mystery.