In early October 1870, the German states are still confident the Franco-Prussian War is as good as over. But two events might cross their plans: One of the leaders of the new French Republic, Leon Gambetta, escapes the Siege of Paris in a hot-air balloon to coordinate the French Armies outside of Paris. And in Ablis, French guerrilla fighters, the so called Franc-Tireurs, ambush a German patrol in their sleep - with swift German retribution.