A well-to-do French family living in Calais deal with a series of setbacks and crises while paying little attention to the grim conditions in the refugee camps within a few miles of their home.
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.
1956, in the north of France. A group of underground miners is forced to take a professor to take samples a thousand meters underground. After a landslide that prevents them from going back up, they discover a crypt from another time, and unknowingly awaken a legendary bloodthirsty creature.
