Lou, a creative and dreamy 12-year-old girl, lives alone with her mother in an orange building with tons of little balconies that give access to the roof. Mina has been her best friend since kindergarten, and Lou has been in love with Tristan, one of her neighbors, since elementary school. Her mother has relinquished her own personal happiness of late so as to devote herself to her daughter, but their little bubble bursts when Mom meets a man and Lou at last dares speak to Tristan.

Emmanuel is in his twenties and studies at the dance conservatory. Between his administrative and financial setbacks and the fiasco of an audition that could have simplified everything, Emmanuel goes through a difficult day. But, by confronting some obstacles, he confronts himself and realizes how far he has come. Emmanuel has become a young adult.

Mia is thirty and getting divorced. She moves into a studio apartment in a low-income housing project. As a former swimming champion, she now finds herself giving swimming lessons to the other inhabitants... Without a pool...

Marion and Ben, thirty years old, meet on Tinder. That's about all they have in common; but the opposites attract each other, and they decide in the early morning of their meeting to go on vacation together despite the advice of their entourage. They will finally leave - to Bulgaria, halfway to their dream destinations: Beirut for Marion, Biarritz for Ben. Without a precise plan and, as they will soon discover, with very different conceptions of what a dream holiday should be.