Two young forces have entered the world stage. The Arab Caliphate crushes its opponents without knowing defeat. The Roman Empire hid behind high mountains and its fate was unenviable. Too much land has been lost. Trade routes change their direction, and this ruins some merchants and enriches others. As a matter of fact, this is precisely the reason for all wars. Money! Money! And again money! The winner will be the one who will ride the new routes along which goods will flow. Therefore, all forces, both young and old, will be forced to fight for their future. Prince Svyatoslav will be at the epicenter of events...