Ommi Traki is an elderly woman who is active and involved in everything, organizing everything in her family and neighborhood. Surrounding her are her husband Salah, who contentedly observes the results of his wife's interventions with a mocking air; her spoiled son Ali, a young man she still considers a child; the maid Zouzou; and others. The film is inspired by the famous Tunisian television series of the same name from the 1970s.

Inspector Tahar and his apprentice are invited by Mama Traki, a popular Tunisian heroine, to spend their vacation in Tunis. Before leaving Algiers, they stop at a tourist complex where a murder has just been committed. The investigation full of surprises and twists and turns will take them to Tunis where they will find Ommi Traki and his family...