Fantastic story of the first half of the XIX century about a monk named Ivan who must fight the dark forces in his monastery.

Anastasia Dmitrievna Vyaltseva, who performed on the opera stage, was called "incomparable" during her lifetime. Obsessed with the desire to sing, the young provincial woman arrived in St. Petersburg, joined the troupe of the musical theater of the entrepreneur Arkady Palma, married the patron of the arts Nikolai Kholev, and soon gave her first concerts. The first success, the first triumphant tour of Russia and the first losses. Her husband dies, the Russo-Japanese war begins, she goes to the front and will do everything that is the responsibility of a sister of mercy.