Tahar, son of a wealthy family, is trying to preserve his privileged status despite the social changes brought about by the revolution. Tinted with historical symbolism, the film tells of the disaggregation of a feudal family when the father died.
Néfissa, a student in Algiers, returns to her southern village in the summer. Her father wants her to marry the mayor but she wants to continue her studies.
An Algerian doctor decides to leave the troubles in Algiers and goes back to his hometown, a small village lost in the mountains. There, however, the situation is explosive as well, as the guerilla is active and the French military has to keep a close watch on the locals...
In Algiers, the shock duo made up of Inspector Tahar and his sidekick L'Apprenti lead the investigation in the footsteps of a formidable bandit named "La Souris".