After the battle of Sudoměř the Hussite teaching spreads through the whole country and people start leaving their homes to help build the fortification of Tábor. Prague citizens request help against the army of Zikmund. The Hussite army with Jan Žižka in the lead make their way towards Prague. They fortify themselves on the mountain Vítkov and engage in a bloody battle with Zikmund’s huge army.
A touching story of a Czech boy who is liberated from a concentration camp and then picked up by a Czechoslovak Army laundry unit under Soviet command. He becomes the unit's mascot, and is given the nickname "prace" or "slingshot bearer" after Czech boys who had fought with slingshots in the Czech Hussite armies of the 15th century. The boy, along with a little Slovak girl whom the unit also rescues up along the way, participate in the liberation of his homeland.