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.