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.

Paris, spring 2015. Faustine travels to Syria with her little son to join ISIS; but, once in Raqqa, she soon realizes the hell she is gotten herself into. Her husband Sylvain quickly understands that the French government is powerless to help him, so he plans with some friends a high-risk extraction operation to get his family back.