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.

After his only daughter arrives from Moscow, police officer Dymov has trouble reconnecting with her.

A few friends carry a valuable cargo for them. Before friends a noble goal. But it doesn't make them better. The most serious obstacle in their way are themselves.

The film is about a generation of brave and beautiful people who did not see the destruction of the revolution and the chaos of the civil war, who dreamed of building a new life in which there would be no place for death, but only incredible love that opens the way for them to great achievements and discoveries. About exploits and glory, betrayal and loyalty of those who were heroes in heaven and on earth. About the time of immense trials that fell on their short but bright lives. About a woman who was the dream and true love of the Soviet Union.