The life of a small group of teenagers in a small 1961 French boarding school. In French Savoie, Pierre Hautefort, a literature teacher, is head of the Beauregard school, located in the mountains. However, the arrival of the young science teacher, Julien Ferrer, is going to seriously challenge the school’s strict and organized life.

During the 1972 Olympic Games in Munich, eleven Israeli athletes are taken hostage and murdered by a Palestinian terrorist group known as Black September. In retaliation, the Israeli government recruits a group of Mossad agents to track down and execute those responsible for the attack.