1917. Bakary Diallo enlists in the French army to join his 17-year-old son, Thierno, who has been forcibly recruited. Sent to the front, they will have to face the war together. While Thierno learns to become a man, Bakary will do everything to bring him back safely.

After the death of their father, two half-brothers find themselves on opposite sides of an escalating conflict with tragic consequences.