Marc and his friend Franky begin a career in the Gendarmerie. The corps is in a deep crisis after the discovery of the drug trafficking of one of the officers by Major Vernaillen. Marc is able to start as the major's secretary, placing himself at the heart of the internal struggle of the gendarmerie. Meanwhile, Franky is noticed by Madani Bouhouche, a gendarme who considers himself above the law. Franky's sister Vicky, who is a student at the University of Brussels distances herself from her brother and Marc because, as gendarmes, they are unpopular on the leftist university campus.