Out of sight, a factory produces a chromic-sulfuric mix which is used in the industry to dissolve organic matter. Zaïna and her apprentice Romuald keep a watchful eye on the aera.
Laure cleans in a Parisian apartment belonging to the Saudi royal family. When unknown men come into the apartment, Laure is forced to hide in a storeroom with her boss. The two women must remain silent, glued to each other.
90 years old Suzanne, sharp and bright as a young woman, has just lost her lifelong mate. Her daughter and two granddaughters show up to comfort her. In this moment of grief, these four women let out their infinite tenderness and deep connections, in spite of unforgotten grudges.
