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1710. After Mazepa's uprising, tsarist repressions continue in Ukraine. The emigrant officers in Bender elected Pylyp Orlyk as Hetman. Together with the Cossack Ataman Kost Hordiienko and the Swedish King Charles XII, he intends to continue the war with Muscovy for the liberation of Ukrainian lands... However, Hetman Ivan Skoropadskyi sees the future somewhat differently, seeking to negotiate with the tsarist government to preserve the rights and freedoms of the Zaporozhian Army. His fellow government officials also share this view...
Unexpectedly, one of them, the Nizhyn regiment's sergeant major Dmytro Zhurakivsky, does the unacceptable: he gets into a fight with Moscow dragoons, saving an unknown girl from their attacks. This dangerous conflict involving a mysterious young lady draws Dmytro into the secrets of the Hetman's capital, makes him understand Mazepa's actions, and reveals the figure of Moscow's fierce enemy, the Cossack Kostya Hordiyenko. And, finally, it forces him to make a difficult, fateful choice...