The film is based on a true dramatic story of the fate of a wonderful Russian woman - Countess Yulia Petrovna Vrevskaya, one of the first Petersburg beauties. The events of the movie take place during the Russian-Turkish war for the liberation of the Bulgarian people from the Turkish yoke. An early widowed baroness, having left Petersburg, and having invested all her money in organizing a volunteer sanitary detachment, she becomes a sister of mercy on the front of the Bulgarian war with the Ottoman Empire of 1878.
| Directing | Nikola Korabov | Director |
| Writing | Nikola Korabov | Writer |
| Writing | Semyon Lungin | Writer |
| Writing | Stefan Tsanev | Writer |
| Camera | Vadim Yusov | Director of Photography |
| Art | Valeri Filippov | Production Design |
| Art | Mariya Ivanova | Production Design |
| Sound | Inna Zelentsova | Sound |
| Sound | Antoaneta Georgieva | Sound |
| Costume & Make-Up | Tatyana Vadetskaya | Costume Design |
| Sound | Toncho Rusev | Original Music Composer |
