One day Pavel, a young man wounded in the war, suddenly shows up at the home of a Moscow scientist name Krymov and claims to be his illegitimate son. Krymov denies this, but out of compassion he helps arrange a necessary operation for Pavel. Then certain things begin happening which suggest to Krymov that he may have a psychologically unstable fellow on his hands.
| Actor | Role |
|---|---|
 Leonid YarmolnikYulij | Yulij |
 Daniil SpivakovskiyPavel | Pavel |
 Elena YakovlevaRita | Rita |
| AArtem ShalimovEgor | Egor |
| MMarianna Ilyina-BalticaAnya | Anya |
 Sergey GazarovKurbatov | Kurbatov |
 Sergey GarmashEdik | Edik |
| VVladimir BogdanovRyvzh | Ryvzh |
| SSergei YakubenkoNot listed | Not listed |
 Darya BelousovaNot listed | Not listed |
 Natalya KochetovaNot listed | Not listed |
 Sergey SavenkovNot listed | Not listed |
 Igor SigovNot listed | Not listed |
 Tatyana GarkushaNot listed | Not listed |
| TTimofey TkachevNot listed | Not listed |
| LLyubov AnisimovaNot listed | Not listed |
 Irina SokolovaNot listed | Not listed |
 Sergey SosnovskyNot listed | Not listed |