Although he is only eighteen, twenty-year-old Nadia permits Sergei to move into her apartment and share her bed. However, his callowness swiftly bores her, and she is unable to hide her increasing disdain for him. Understandably, this is a matter of some distress for him. Her contempt is more difficult for him to bear than she suspects, and one day he is provoked to murder her.

Mitia (Maxim Kisilev) is the new boy in a technical school who must adjust to his environment in this childhood drama. He goes through a series of initiations before his classmates are ready to accept him. Andrei Ivanovich (Andrei Tolubeev) is the stern but kindly instructor who looks out for Mitia. Mitia loses his girlfriend when her mother comes to take her home, and Andrei leaves the institution when his wife becomes gravely ill.

Preparing for a meeting of former classmates, a woman recalls her school years and her first love.