Argan, the imaginary patient, allows himself to be led by his wife and his doctors who take advantage of his weakness. Only his daughter has sincere love for him. He ends up accepting that she should marry the one she loves and not the benet, son of an apothecary, whom he intended for her.

Mademoiselle Bressac is a bossy spinster who manages "Le Clos", her estate, with an iron hand. But is she really a bad person? Her manners are abrupt but they only hide a heart of gold. Doesn't she bring up four orphans, Dominique, Fabien, Chantal and Jean? And as if it were not enough, she has accepted to educate another child, her niece Patricia, entrusted to her care by her irresponsible father. Thanks to her, the five young people have grown up in harmony and now they are about to find their place in society. Two of them, Jean and Patricia, who love each other, live only for the estate.

On his fiftieth birthday, Serge Charan, a large industrialist overloaded with activities, decides to leave everything to go on an adventure. In a train heading for the Côte d'Azur, he meets six young girls returning to their boarding school. Arrived at their destination, Serge Charan rents, under an assumed name, a villa with a view of the garden of the boarding school. His presence arouses questions and the interest of young girls who are sensitive to his charm. But one of them, Simone, falls completely in love and runs away from boarding school.

After the death of her trapeze artist father, a little girl is taken in by two clowns.

Jules Duraton is the headmaster of Chatelbourg's high school. He is happily married, has a teenage daughter named Solange, and everything would be for the best of all possible worlds if he and his family were not the namesakes of the protagonists of a famous comic series broadcast every day on Radio Monde "La Famille Duraton". Day after day, the real-life Duratons are made fun of because of their surname and Jules just can't take it any more. That is why he decides to sue the radio station responsible for his misfortune.