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.
| Editing | Alla Strelnikova | Editor |
| Sound | Alexey Aygi | Music |
| Camera | Serhiy Mykhalchuk | Director of Photography |
| Writing | Gennadi Ostrovsky | Screenplay |
| Production | Leonid Yarmolnik | Producer |
| Directing | Valery Todorovsky | Director |
| Directing | Irina Tretyakova | Assistant Director |
| Art | Vladimir Gudilin | Production Design |
| Sound | Sergey Chuprov | Sound Director |
| Costume & Make-Up | Aleksandr Osipov | Costume Design |
| Production | Tatyana Talkova | Casting Director |
