In November 1918, a few days before the Armistice, when Lieutenant Pradelle orders a senseless attack, he causes a useless disaster; but his outrageous act also binds the lives of two soldiers who have nothing more in common than the battlefield: Édouard saves Albert, although at a high cost. They become companions in misfortune who will attempt to survive in a changing world. Pradelle, in his own way, does the same.

19 years old and with nothing else to do, Ana joins the army and, through the enforced discipline and comradeship, begins to find her way in the world.