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.

In his workshop, a man has difficulties focusing on a block of clay. Above him, people are partying deep into the night.. A young woman from upstairs knocks at his door. Her cellphone has fell on his balcony and she wants it back.