The film is dedicated to Baroness Yulia Vrevskaya, who died in Bulgaria during the Russian-Turkish war in 1878. Photos in the medallions of General Vrevsky and Yulia. Engravings depicting St. Petersburg, the last ball of the sisters of mercy, Y. Vrevskaya in the clothes of a sister of mercy, Russian troops in Bulgaria, a wagon with the wounded, a field hospital. Photos by I. S. Turgenev, Y. Vrevskaya. Grave of Y. Vrevskaya in Bulgaria.