Émile teaches Daniel youth speak, Laurent thinks he has lactose intolerance, and Mathilde desensitizes Mathieu to his allergy.
Valérie explains to Marilou and Stéphanie why she looks so radiant. Dan explains his ancestral technique to Marion.
Daniel tries to make Patricia understand that he would like to invite her to a date while Natalia and Stanley get to grips with Marketplace.
Patricia buys too much tuna, Marion is full of contradictions and François can't cope with his joint problems.
Patricia encourages François and Valérie to spice up their lives, while Marion worries about her couple's sexual health.
Laurent is a prude, Natalia and François are in competition, Marilou and Stéphanie discover Valérie's secret, and Mathilde coaches Daniel.
Laurent and Stéphanie talk about their latest squabble, François is a little sluggish and the team calls in a replacement.