Un agente de protección y un agente del MI6 forman equipo tras un atentado terrorista. Sospechan de un topo y se apresuran a frustrar una conspiración mayor que amenaza París.

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 for a chemical corporation.