In the first days of the Second World War, a young woman with three children is evacuated from the front-line zone to the Urals. After some time, she receives a funeral for her husband. But she has her little sons with her. The eldest son Kolya becomes a reliable assistant to his mother.
A quiet and shy girl Katya is assigned to the construction of a highway. The young workers accept the young trainee very warmly and help her in everything. In time Katya falls in love with one of them - the foremost excavator worker Vasya Plotnikov. He is a very cheerful, cheerful guy, the soul of...