The film focuses on writer Delphine (Seigner), who achieved her first career success, publishing her debut novel dedicated to her mother. However, she soon starts receiving anonymous letters accusing her of exposing her family to the public. Depressed and struggling with writer's block, Delphine meets and begins a friendship with a mysterious younger woman (Green) who is seductive, intelligent, and intuitive and who understands Delphine better than anyone else.