This is a poetic film set in the times of Lenin's NEP. A ballet dancer steals a brooch and gives it as a present to another dancer. This is a crime of passion. A mysterious black ball is after the heroine. She runs away from it and manages to give the brooch in an exquisite pirouette movement, as shiny as diamond facets. What gives a stone its dazzling luster are its polished facets. But the real gem is love, and it's much harder to get than any diamond in the world.
| Directing | Rustam Khamdamov | Director |
| Sound | David Goloshchyokin | Music |
| Camera | Sergey Mokritsky | Director of Photography |
| Production | Konstantin Ernst | Producer |
| Production | Vyacheslav Telnov | Producer |
| Production | Lyubov Arkus | Producer |
| Production | Konstantin Shavlovsky | Producer |
| Writing | Rustam Khamdamov | Writer |
| Costume & Make-Up | Natalya Kochergina | Costume Design |
| Costume & Make-Up | Nadezhda Vasileva | Costume Design |
| Editing | Taisiya Krugovykh | Editor |
| Art | Natalya Kochergina | Production Design |
| Directing | Sergey Makarichev | Assistant Director |
| Costume & Make-Up | Tamara Frid | Makeup Artist |
| Sound | Vladimir Persov | Sound Director |
| Camera | Vladimir Gusev | Additional Director of Photography |
| Camera | Anatoly Groshev | Additional Director of Photography |
| Crew | Vladimir Sevastyakhin | Stunt Coordinator |
| Editing | Igor Malakhov | Editor |
| Sound | Kirill Vasilenko | Sound Director |
| Crew | Evgeny Mironenko | Special Effects |
| Visual Effects | Viktor Okovityy | VFX Artist |
| Visual Effects | Oleg Plaksin | Visual Effects Camera |
