25 something Salma, Olivia and Lauren have never met. Until they inherit a luxurious flat in Paris, from their estranged biological father! The 3 sisters have nothing in common and cohabitation is rocky. Salma teaches in a difficult suburb, Lauren is a true Parisian fashionista, and Olivia is obsessed by finding the perfect husband. They will have to learn to become sisters to keep the flat the legitimate family wants back.