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.

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

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.