January 1917. Through winter fog and gloom, a sanitary train races forward. Ivan Pavlich Petrov—once a zemstvo doctor, now a second field surgeon. And no one knows that he is our contemporary, Moscow surgeon Artem, thrown into the past by the cruel will of fate.
Earlier—zemstvo hospital, now—the sanitary echelon. The task is the same: to treat, to save people.
To save them despite the intrigues of jealous people, bandits, and open enemies.
And the former life is remembered less and less, while the girl… who is waiting… is recalled more and more…