Early seventeenth century. Hard times have come to Ukraine. Its inhabitants were enslaved by the violence and lawlessness of the Polish lords. In one of the ancient abandoned castles of Romania, there was a powerful evil that gave birth to three ruthless monsters who brutally kill people. In order to survive and destroy the human race on Earth, evil needed the forces that came from human death and misfortune. A young Cossack, who tragically lost his parents in childhood, enters into an unequal duel with ominous force. His fate was unclear, and his goals were illusory, but only he had to fight on equal terms with the immortal forces of evil, and find out the prophecy of the gypsy and the true meaning of the birthmark in the form of the number thirty-six.