They are between 14 and 17 years old and live with other teenagers in a home in the heart of the Vosges forest. All of them have been placed there by social services.
Adrien, 40 years old and totally immature, is dumped by Maude, 35 years old, eager to finally found a family. In an attempt to regain the love of his life, Adrien decides to move into the future ex-married apartment: a nursery home - The beginning, an improbable educational experience.
From the tower blocks of Paris to the countryside of the Drôme region, Shaï and Djeneba lead summer camp activities while grappling with growing up and growing apart.
Lauren, a lovely 29-year-old it-girl, tries to break into the world of fashion by skimming Parisian parties. Olivia, a 28-year-old psychologist, has two obsessions: to save the confectionery of her parents, and to find her ideal husband. At the age of 26, Salma, a fiery young history teacher, still lives with her mother in the suburbs. Their roads have no reason to cross - until the day when, on the death of their biological father that they never knew, they inherit together a splendid Parisian apartment. For these three sisters who have nothing in common, cohabitation will prove to be explosive, to say the least.
At 55, Anne is finally enjoying her freedom after her children leave home. But everything changes when her 23-year-old daughter, Louise, moves back in with her after a professional and romantic failure. And to make matters worse, her son, Théo, announces that she's going to be a grandmother! Anne realizes that life never goes as planned and that, at any age, we are still learning to grow up.