Eight-year-old Aida lives in a Parisian suburban apartment. The day his father returned from his trip to Senegal, their country of origin, the daily newspaper of Aida and the whole family was completely upset: the father did not come back alone, he was accompanied by a young Senegalese woman, Rama, whom he presented as his second wife. Aida, sensitive to her mother's distress, then decides to get rid of the new coming.