A young man who applies for the position of general manager in a fashion house has not reached the desired age. Thanks to a skilful make-up, he gives himself the required appearance and under the name of Monsieur Bégonia, now presides over the destinies of the house.

After finding and adopting a child, a man gets a job at an all-girls school which doesn't allow families. Once the girls find the baby, they become his forty little mothers. At the same time, the child's true mother searches for him.