A young woman struggling to stay on top of everything in her life meets a married publisher and begins an affair with him.

In the middle of a performance at la Comédie-Française, an actor dies on stage, poisoned. Martin, member of the troupe and friend of the victim, becomes the center of everyone’s attention. Suspected by the police, he’s also chased by a mysterious organization, Le Parfum vert, that seems to have ordered the murder.