Starting 1970s. Marina Rodionova gives birth to a child from a donor. Grown up son Andrei she tells the legend of the deceased father. It takes many years. Son of a student accidentally discovers that his father is a professor Hlyuzdin who teaches at his institute. Andrew's friend can not get from Ladder strict professor and then Andrew decides to introduce his father and mother.
| Actor | Role |
|---|---|
 Larisa UdovichenkoMarina Rodionova | Marina Rodionova |
 Stanislav SadalskiyPavel Khlyuzdin | Pavel Khlyuzdin |
| MMariya LobachovaNastya Sukonnikova | Nastya Sukonnikova |
| LLeonid TorkianiAndrey | Andrey |
 Sergey MigitskoArkadiy | Arkadiy |
 Igor DmitrievRodion Zosimovskiy | Rodion Zosimovskiy |
 Yevgeni LebedevNot listed | Not listed |
 Igor GolovinNot listed | Not listed |
 Mikhail VasserbaumNot listed | Not listed |
 Valentina EgorenkovaNot listed | Not listed |
| VVladimir ZaykinNot listed | Not listed |
 Kira Krejlis-PetrovaHlyuzdin's mother | Hlyuzdin's mother |
 Irina OsnovinaNot listed | Not listed |
 Andrey ChumanovNot listed | Not listed |
| YYuliya SolokhinaNot listed | Not listed |
 Konstantin Khabenskiypedestrian with glasses | pedestrian with glasses |