Louise and Nathalie are 30 years old or so. They meet after a period of separation of more than 10 years. Louise is a dental technician now. Nathalie has become an actress, which they wanted both to be one day.
Because she admires Nathalie, Louise wants to make her happy in spite of her, and intrigues for her to play "Lulu" with Walter Amar, a famous director. She lives for her promise of success of her friend: she lives with her, comes to her work, becomes essential to her.
Nathalie never has any respite from Louise and their relationship will turn into a spiral of passion.