This film retraces the combat journey of Krim Belkacem, one of the leading figures of the Algerian War. When he left the Dellys barracks in October 1945, the day after the Second World War, Krim Belkacem was 23 years old. He is a man revolted by the May massacres in Sétif, Guelma, Kherrata and several other localities in the ravaged country. But it is also and above all a young Algerian who questions the future of Algeria. On March 21, 1947, Krim at the age of 25, he dug up his "Sten" submachine gun, he took action against the boss of his douar who was none other than his cousin. He goes into hiding with six companions. He meshes this entire part of Algeria with a dense and dense network with the sole objective of taking action which will lead to the outbreak of the armed struggle on November 1, 1954.

Brahim a master craftsman, is one of the richest men in the country. He takes a third wife, Fadah, a young beautiful girl, hoping that she will give him an heir before he is too old.

The film relates the career of Colonel Lotfi, whose real name is Benali Boudghene, since his beginnings as an activist in Tlemcen where, with his classmates from high school, he posted the call of 1 November 1954, addressed by National Liberation Front (FLN) to the Algerian people.

Ali, a young Algerian who carried out an attack in Algiers, hastily leaves the city to join the resistance. But he is disappointed to find that the National Liberation Army consists of only a few fighters scattered throughout the mountains. However, he is impressed by the authority of the leader, Si Tayeb, who gives him a weapon. Meanwhile, a young French sergeant, Gachon, arrives in Algeria with his contingent of conscripts. In civilian life, he is a schoolteacher, and he becomes the colonel's secretary. One night, the FLN group invades a village, the dechra of Beni Allel: waking the inhabitants, the leader gives them a propaganda speech to incite them to fight the French, then gives them weapons; He claims that all the other villages have rallied to their cause, which is false. When he finds himself in difficulty at one point, he is rescued by Ali, who saves the day with his authority and skill.