Lucie Audibert, a student of Art History, does research work on Watteau and is certain that a hidden sense that nobody has ever deciphered can be found in a few of his paintings. The further she explores this the more Professor Jean Dussart - for unclear reasons - tries to discourage her.

• Sylvie Testud
• Jean-Pierre Marielle
• James Thierrée
• Agathe Dronne
• Christiane Millet
• Miglen Mirtchev
• Jean-Gabriel Nordmann
• Nicolas Pignon