The beginning of the 20th century. Famous singer Emilia Marty arrives on tour in a European city. At the same time, the Supreme Court intends to close the Gregor-Prus case, a lawsuit that lasted several decades. Albert Gregor unsuccessfully tries to seize the inheritance of Baron Joseph Prus, but cannot prove that he is his heir. Emilia Marty unexpectedly intervenes in the process, reporting the whereabouts of documents proving the family kinship of Albert Gregor and Prus.
| Directing | Yevgeni Ginzburg | Director |
| Sound | Georgiy Garanyan | Original Music Composer |
| Writing | Aleksandr Adabashyan | Writer |
| Art | Yuri Kladiyenko | Production Design |
| Camera | Genri Abramyan | Director of Photography |
| Sound | Liya Benevolskaya | Sound |
| Costume & Make-Up | Natalya Ivanova | Costume Design |
| Costume & Make-Up | Tamara Gaidukova | Makeup Artist |
| Writing | Karel Čapek | Theatre Play |
| Editing | Valeriya Belova | Editor |
