Freshly hired as a labor nurse in a chemical factory, Nour discovers that small arrangements exist between management and her father, Slimane, the staff representative, and the company's pivot. Lies about polluting discharges, hidden illnesses of employees, hidden accidents ... Nour, little by little, no longer accepts the compromises of his father to preserve the image of the company. She decides to launch the alert.

Joan is no longer in love with Victor, but it pains her to feel she is being dishonest with him. Alice, her best friend, reassures her: She herself doesn’t feel passionate about her partner Eric and yet their relationship is smooth sailing. She has no idea he is having an affair with Rebecca, their mutual friend. When Joan finally decides to leave Victor and he disappears, the lives of the three friends and their relationships are turned upside down.