The year is 1919. General Denikin has concentrated his troops in one of the port cities in southern Russia. But the Black Captain, the commander of the red-green partisan detachment, decided to drive him out of his zone and from time to time began to arrange all sorts of dirty tricks in the Denikin camp, attracting the attention of not only Denikin's blood enemy, but also the Bolshevik underground, which had long been following his successes...