Nicolas has a happy existence, parents who love him, a great group of friends with whom he has great fun, and all he wants is that nothing changes. However, one day, he overhears a conversation that leads him to believe that his life might change forever, his mother is pregnant! He panics and envisions the worst.

Camille, 16 years old, shy and introverted, dreams of a different life, one far from her high school where she is constantly harassed by Nathalie, a schoolgirl with her other friends. Camille is very lonely, even if her parents (Michaël and Laurence) love her, but both of them don't have the time to listen and to notice their daughter's malaise. One day Laurence, Camille's mother, asks her to come with her to give a present to her father, Michaël. They both go to the pet shop.

Despite a life surrounded by mystery, Emy tries at all costs to protect Gaëlle from certain realities concerning her, while Bastien struggles to remain in the mold imposed by his father, under the loving but powerless gaze of Louis.

Theo, in his twenties, is in the process of divorcing. As his day progresses, the happy elements of the past and the darker elements of the present intertwine, leading him to make a radical decision.

While Tom has disappeared for few monthes, Bastien, Gaëlle and Théo have each of them to cope new problems, in a world where others look is very harmful...