What they did.

Jean and Suzette, two orphans, are raised by the inn-keeper Frantz Hobscher who mistreats them. When World War I is declared, the imperial authorities order Hobscher to trick spies into thinking he's Alsatian. The children's protector, Jacques Morel, is sent to the front. Some time later, the young man stops at the village, carrying a very important military letter. So, Hobscher decides to seize t…