The first century AD... A time that became a turning point for many tribes and peoples inhabiting the Great Steppe at that time, including the Sarmatian tribes of the Aorsi. The young Sarmatian Umabiy will have to go through many battles in the Volga steppes, visit distant lands and, saving his people from the invasion of enemies, lead the Aors to the lands where they are destined to find a new homeland... The second half of the 16th century... The Muscovite kingdom wages bloody wars with neighbors. Each blow can be fatal, but a frontier army stands in the way of the enemy. Volga, Don and Yaik Cossacks, governors, archers and ordinary Russian people are ready to lay down their heads for their native land...