Once again, two of our contemporaries, history students Vasily Barloga and Zaurbek Kochesokov, Russian and Circassian, are forced to jump into the saddle and save the world. But if they turned out to be at least some linemen, then how could officers enter His Imperial Majesty’s Own Convoy? This is the elite of the Russian irregular cavalry! The best of the best! Where are Vasya and Zaur... And if it weren’t for the good-natured Cossack grandfather Eroshka and his strict granddaughter, shooting with both hands without warning, it’s unlikely that our heroes would have been able to survive in the burning Caucasus of the nineteenth century. But an order is an order - the horses are saddled, the checkers are on sideways, hats on one side, the faithful shaitan Akhmetka twists his tail, and any enemies no longer seem so terrible. But in vain! You forgot that the most terrible enemy is the one you don’t know...