Justine has never dated a woman, and Katia knows her life is hanging by a thread. But when they meet, it's love at first sight. Katia and Justine decide to confront life living a love story, and giving birth to a baby girl, Jeanne. Twelve years later, Justine come to an orderly life and Katia, who kept the child, learn she is doomed. She has to find urgently a guardian for her daughter. Her only option : her brother William, a cynical and desillusioned writer...

Les lendemains de veille tells the story of Vincent, Malo, Lola, Matéo, Blaise and Xavier. At the time they were young and had a dream, that of living together; free and autonomous. And this dream had a name: "The community of the days before." However, their group ended up doing like everyone else and they gradually lost sight of each other. They hadn't made a date in the future, but the death of one of their own decided otherwise.