A love story of two people which turns out into triangle... So the steady family walls do not seem so steady anymore...
Lida Karyakina is 15 years old. At school, she has constant conflicts, not everything is alright at home. The girl decides to leave school and go to work. Having worked in different places, Lida understands that her vocation is to raise children...
In a remote village in Karelia, Sergeant Vaskov commands an anti-aircraft unit that protects a rail depot. While his men are transferred to the front line, he is reprimanded for their unruly behavior. He retorts that he wants replacements that aren't drunks or womanizers. In response, he is assigned a unit made up entirely of young women, fresh from training.