"Little Girl Blue" is a film about traumas transmitted from.... Director Mona Achache entrusted the French star with the role of her mother, author Carole Achache, who committed suicide in 2016 without leaving a word.
Throughout the film, she repeats in sync many passages of texts or interviews recorded with the voice of Carole. The actress, for whom the role is a "very nice gift", went so far as to perfume herself every morning with the perfume of Caroles Achache.