Lilly, François and their daughter Léa, 6 years old, must say goodbye to Sea-Sea , a 12-week fetus. The wait for a second child for the parents and a little sister for Léa ends sadly miscarried and ended at the bottom of the tank of a cold and impersonal place : the toilet of a shopping center. Each year, 20,000 women experience a miscarriage. A painful ordeal for the couple that crosses in its way , a bereavement . 12 WEEKS The short film takes a sensitive look on this reality by telling the moving story of a family struck by this difficult experience for a day of shopping which promised yet commonplace . Fortunately , the little Léa will bring the light of hope .