Arrival of General Larminat and Aide-de-camp Lieutenant Laurelle (real name is Raymond Leroy) on Martin bomber, bearing Free French Cross of Lorraine insignia, at Fort Lamy in French Equatorial Africa, during World War 2. They are received by the Governor of the Chad, Lapie, and Mayor of Fort Lamy. Officials talk. Planes parked at airfield.
French General Charles De Gaulle descends from a De Havilland D.H.86 airplane at Fort Lamy in French Equatorial Africa. He is greeted by Colonel Leclerc and town dignitaries. Accompanying the General are General Spears, Lieutenant Colonel Gosset and Captain Decourcel, Aide-de-camp to Charles De Gaulle. General Gaulle meets town personalities on arrival. He inspects troops. General Gaulle and General Spears walk. Troops march. Generals salute marching troops. Natives line up street and troops march away. Colonel Leclerc takes salute. Native troops march away. General Charles De Gaulle and Spears arrives at the House of Colonel Leclerc. Guards of honor lined up.
Ambulance at airfield. Plane taxis in the background. Wounded carried out from plane on stretcher. French army officials around plane. Major Dio carried out from plane. Wounded on stretcher loaded into ambulance.
River front in Fort Lamy, French Equatorial Africa. English Bedford trucks move on pier. Military transport crosses Shari River. Drivers and soldiers play cards in the shade of Lorries while waiting for ferry. Ferries at shore. Truck moves on pier. Locals bath at shore. Colonel Leclerc and his Aide-de-camp Captain Troadec wait for ferry.
Colonel Leclerc, his Aide-de-camp, Captain De Guillebon, Captain Quilichini and Blochet, the general staff of Colonel in discussion. General Leclerc arrives at conference room for discussion. General Leclerc sits and discusses plans over map with Major Blochet and Captain De Guillebon. General Leclerc and other officials walk out of the Government house where conference held.
Film opens with animated map showing the Maginot Line and attacks along it by Britiish and French and French Armies. Then it shows German Armies breaking through the line. Camera focuses along lines of steel post antitank barriers extending out of sight. Map illustrates fortifications in area labeled Maginot Line and shows vertical cross-section cutaway view of the Maginot Line fortifications. A French soldier is seen tending to an engine running deep inside the fortifications. French officers are seen near a large electric generator and large ducts for ventilation. French soldiers at a switch board in a communications center. French troops are seen double-time marching out from their quarters at the Maginot Line. Next they enter forts in the line. Closeup of soldiers' feet as they board small-gauge train to take them to their respective battle stations in the Maginot complex. View of the train carrying passengers through its tunnels. A French soldier moving large steel containers suspended on overhead trolleys. They appear to contain ammunition. A cook at work in a kitchen within the fort. French soldiers entertaining themselves, singing and clapping as one of them dances. A slate in the film reads:"Nous Vaincrons parce que nous sommes les plus forts" (We win because we are the strongest.) French troops marching to war. Animated map shows Areas under French control, including Colonial Africa, together with German-occupied areas. It shows other forces building up including those from British colonies and Canada and Australia. Closeup of French Colonial soldiers. French allied troops from various regions in the world marching. Massive parade of troops along the The Avenue des Champs-Élysées, in Paris, with the Arch of Triumph behind them.