Simone and Jean have just married and, looking for a home in the Paris region, are lucky enough to find a house with a garden in a residential suburb. Expecting their first child, the young couple began to observe how the parents of neighboring families were raising theirs.

1920, in a small village in Provence. Monsieur Pascal, a young schoolteacher, is faced with a lack of interest from his pupils. He decides to radically change the methods employed by his predecessor. He listens to the children, draws inspiration from their discoveries and takes them out into nature. The pupils will rediscover the pleasure of learning, and he will rediscover the pleasure of teaching. But some parents and notables don't take kindly to this little revolution.