Patrick is a tenacious lawyer specializing in environmental law. France is a schoolteacher who becomes an activist after her husband develops cancer from exposure to a pesticide. Mathias is an ambitious lobbyist working for an international chemical corporation. The paths of these characters collide as the lives of thousands are affected by a tragic act that sparks a powerful movement while the corporation fights to prevent the truth from being revealed.

Franck is a firefighter in Paris. He saves people. He lives at the station with his wife, who is about to have twins. He’s happy. During a call out to a fire, be puts himself in danger, to save his men. He’s going to have to learn to live again and accept to be the one being saved, this time.