The director of Mathis' school in Florence and Paul learn that their son is gifted. He will have to change schools. Faced with Tanguy's insistence, Maud will have to introduce him to her father. Michaël, who struggles to get his emotions across, is coached by Olivia, who finds a rather original method! Mathis has to explain his job as a trader at Violette's school, who is afraid that he will bore everyone with his uninteresting explanations.
