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.
Matthieu is a young and talented black box analyst on a mission to solve the reason behind the deadly crash of a brand new aircraft. Yet, when the case is closed by authorities, Matthieu cannot help but sense there is something wrong with the evidence. As he listens to the tracks again, he starts detecting some seriously disturbing details. Could the tape have been modified? Going against his boss' orders, Matthieu begins his own rogue investigation - an obsessional and dangerous quest for truth that will quickly threaten far more than his career...
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.