François dirige une école primaire et fait la classe aux CM2. Un jour, il surprend la jeune Lucie en train de voler la cagnotte de l'école. L'élève de CE2 donne déjà beaucoup de fil à retordre à sa maîtresse : elle refuse d'étudi...
François, director of a primary school, teaches third graders. It's a demanding position, leaving him little time for his private life. But he is committed. At the beginning of the school year, his daughter has come to stay with him. Laura...