After the end of the World War II, Fyodor returned to his homeland and met the homeless boy Fyodor the Small. They decide to live together. And all they had was wonderful, until Fyodor married.
With the marriage of Fyodor Sr., their harmonious life is disorganized, although Natasha is trying in every way to win the boy's love. Driven by jealousy to despair, the boy runs away from home. But after much agitation and searching, they find him, and he reconciles with the adults.