When teenager Margaux bonds with seven-year-old Juliette and Joël, a thirty-something fisherman, her summer holidays take an unexpected turn.

Margaux, six years old, awakens early on this August morning. She goes to the window and sees her father putting objects and cardboard boxes into the car.Her mother is still sleeping. This summer morning promises to be a singular one for the little girl, who is about to experience a significant moment in her life.