The world has changed. It has changed through the efforts of a financial speculator who has landed from our time in the 19th century. There were no revolutions in this world, and Japan did not risk declaring war on the Russian Empire. But... we wanted the best - it turned out as always. The new high-tech world has very little time left to live. And the only person who can correct his own mistakes lies unconscious in the clinic. There are no other candidates for a jump into the past. But, apparently, there is someone above us who is not indifferent to the fate of our world. And a piece of the speculator’s knowledge ends up with a simple Cossack of the Zaporozhye Sich - in the distant 18th century. "Golden Age" of Catherine. Britain is already gaining power, the American War of Independence is about to begin, and the Russian army will get involved in a bloody war with the Ottoman Empire. Will the young Cossacks be able to intervene in the course of history and correct the mistakes of the time traveler? Moreover, he is not alone. A young beauty from a small farm lost in the Ukrainian steppes, by the will of fate, finds herself in the center of political intrigues of the powers that be. And, as usually happens in fairy tales, at the most difficult and crucial moment a professional will appear on the stage...