An ecological pharmacist uses ancient Celtic techniques to murder industrial magnates whose practices harm the planet.

Wrongly suspecting her husband of being unfaithful, a young mother leaves him alone for a week with their three unruly children.

10-year-old Saïd, a child of Algerian immigrants, is talented, motivated and would like to be a good student. But the conditions at the collège he attends in the Parisian banlieue hardly give him a chance. And then he is drawn into the criminal machinations of his brother.

Leo, an accomplished playboy, neglects his girlfriend and enjoys parties. His girlfriend parts from him and then, when he wants to see her once more, he suffers an accident. He survives, but his whole life is about to change when he becomes wheelchair-bound.

Francis Farge, alias "The American" could have remained a man like the others but a strange obsession animates him: he feels American body and soul.

Florence and Bruno thought they had finally found balance in their relationship with their children when suddenly they had to face a new threat: parents! First, Bruno's mother, Monique, showed up. She had broken her leg and could no longer take care of herself. Her son naturally offered to take her in until she recovered. Then it's the turn of Florence's father, Henri, who has just been left by his partner. Now homeless, he is deeply depressed. His daughter has no choice but to offer him hospitality. Florence and Bruno's routine is disrupted, but they remain optimistic.