Madame Jouve, the narrator, tells the tragedy of Bernard and Mathilde. Bernard was living happily with his wife Arlette and his son Thomas. One day, a couple, Philippe and Mathilde Bauchard, moves into the next house. This is the accidental reunion of Bernard and Mathilde, who had a passionate love affair years ago. The relationship revives... A somber study of human feelings.
Claude Massoulier is murdered while hunting at the same place as Julien Vercel, an estate agent who knew him and whose fingerprints are found on Massoulier's car. As the police discover that Marie-Christine Vercel, Julien's wife, was Massoulier's mistress, Julien is the prime suspect. But his secretary, Barbara Becker, while not quite convinced he is innocent, defends him and leads her private investigations.