Pendant la seconde guerre mondiale, des adolescents soviétiques sont conditionnés dans des camps de jeunesse afin de servir de chair à canon en vue d'opérations suicide.
After burying her mother, Nastya Gromova, along with her brothers, comes to her grandmother's house, in the small town of Khimki near Moscow. But the house is occupied by their distant relative, Lucy, who feels like an absolute mistress there and is not going to share her home with anyone. New challenges await the Gromovs...