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 Testudas Lucie Audibert
Jean-Pierre Marielleas Jean Dussart
James Thierréeas Vincent
Agathe Dronneas Garance
Christiane Milletas Annabelle Roy - Lucie's mother
Miglen Mirtchevas Ivan
Jean-Gabriel Nordmannas Gasque
Marc Rioufolas Jeweller