Residents of a rundown French apartment building battle against an army of deadly, rapidly reproducing spiders.
The life of Henri Grouès, known as Abbé Pierre, from his time in the Resistance in WWII to his fights against poverty and for the homeless.
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.