Confidentially Yours (1983)

Confidentially Yours
Comedy, Crime, Mystery
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.
Starring
Fanny Ardant, Jean-Louis Trintignant, Philippe Laudenbach, Jean-Pierre Kalfon, Philippe Morier-Genoud, Caroline Silhol, Xavier Saint-Macary, Jean-Louis Richard, Anik Belaubre, Pascale Pellegrin
Directed By
François Truffaut