A psychological thriller about the emerging friendship of a popular writer with a mysterious reader, who later reveals her dark face will come to the cinema screens in May.

Delphine (Emmanuelle Seigner) is a well-read Parisian writer who has been suffering from lack of inspiration for some time. When one day, when signing books, he meets a mysterious woman (Eva Green), her life begins to gradually change from the previously traced track. A relationship is born between women, which with time turns into a toxic addiction. Delphine begins to lose control over her life, and everything she has taken for granted has changed her original meaning.