La Guerre des Lulus plot
At the very beginning of the First World War, in a village in Picardy, four inseparable friends, Lucas, Luigi, Lucien and Ludwig, form the Lulus gang. These orphans are always ready to join forces to take on Octave's rival gang or to escape Abbot Turpin's guard... When the orphanage of Valencourt Abbey is evacuated, the Lulus are missing. Forgotten behind the enemy's front line, they are left to fend for themselves in the middle of the conflict.