Slavic tribes are under threat. The invasion of the cruel nomadic tribe of Avars is about to begin, which in real history enslaved the Slavs for many centuries, using them as a lubricant for blades, throwing them to death - to storm the Roman cities. Only a few were able to leave and wander through the distant and cold north, which was stingy in resources, both food and minerals. But thanks to the soul of our contemporary, which fell into the past into the body of Prince Rus, everything can change...