Having fallen in love while still at school, they got married and now have a happy and prosperous family with a young son. One day, Stepan witnesses a robbery. Among the hooligans is a girl who tries to stop them. After subduing the men, he frees her. From then on, this unexpected love becomes a torment for him, his wife Natalia, and his young son Vasya, who tries to protect his mother from misfortune.
