A secret kept for 70 years, and a woman, Mariette, who dares to tell it. A film that follows the perspectives of four generations when what had been hidden finally comes to light. How long can a person keep a secret? The film’s protagonist, Mariette, did it for 70 years. Now, at a threshold in her life, she finally decides to speak up. Afraid of betraying her mother, who did everything she could to keep the secret hidden, Mariette faces her world filled with doubt, fearing rejection and prejudice.