Dana falls for a Red Army officer named Ostap and decides to marry him. On the day of their wedding, the Germans and Romanians invade. Ostap has to return to his unit, and Petro leaves the band to join the Red Army.
The narrative centers on Dana's marriage to Ostap, which is disrupted by the invasion of the Germans and Romanians. Ostap must return to his military duties, while Petro leaves his band to fight for the Red Army.