With a father suffering from neurodegenerative disease, a young woman lives with her eight-year-old daughter. While struggling to secure a decent nursing home, she runs into an unavailable friend with whom she embarks on an affair.
A 1950s London cleaning lady falls in love with an haute couture dress by Christian Dior and decides to gamble everything for the sake of this folly.
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.