First, the eye is introduced to the old mill itself, with a gay betrothal party in progress, and laughter and merriment on all sides. Suddenly the laughter is hushed by the martial tread of feet, and the smile of joy fades from the two young lovers' faces as the French soldiers march into the courtyard and prepare to defend the mill against the oncoming attack of the German army. The mild summer afternoon has but half way run its course towards its western home when a wounded outpost comes staggering into the courtyard with the news of the advancing German army stamped upon his blood-stained forehead. Suddenly the courtyard is filled with the smoke of battle, and we know that the long-expected attack is on.