It follows political events in Russia at the beginning of the century, during the birth of the Social Democratic Party, among the first fighters of which was Vera Protasova, the daughter of a lawyer who defended Narodnaya Volya members in court.
At the southern border outpost the Soviet border guards managed to neutralize a spy from one of the Western intelligence services and discover an electronic unit recording data about secret strategic military facilities located on the territory of the USSR.
