Roman Paskevich, a rural teacher, arrives in a small Belarusian town occupied by the Nazis. In reality, he is a secret agent of the Nazi intelligence service named Erich. He is tasked with tracking down partisan units, finding out their plans, numbers, and combat equipment. Erich-Roman becomes a frequent guest in the home of an elderly woman, Baba Vera, whom he believes to be a partisan liaison. A simple woman who seems unremarkable, at a critical moment she reveals herself to be an extraordinary person with an exceptional personality. She is raising twelve children in her home. The war took away these children's parents and deprived them of their homes. At great personal risk, Baba Vera obtains food and clothing for her foster children and saves them from many dangers. She is ready to give her life for the victory of the righteous cause. Baba Vera herself is unlikely to realize the greatness of her feat — she acts as her heart dictates...