The Avars are sharpening their teeth on the young principality formed on the Danube. However, the king of the Franks, Clothar, also looks greedily at the foothills of the Alps. Salt mines in the wrong hands give him no rest. The prince spins like a squirrel in a wheel, trying to protect the growing power from its greedy neighbors. An Avar horde came to his lands, which no one had ever been able to defeat. He is locked in the city with a small detachment, and with him his beloved wife and little son. It will be very, very difficult to survive...