The girl Hanusya and her younger brother Andriyko lived in the village, whose mother was taken captive by the Horde, and whose father, who went to free her, also disappeared. The Cossack Stepan is courting Hanusya, but she promised to marry only after the return of her parents. All three find themselves in danger, because they are pursued by the devil, who was driven out of hell by Satan himself, having ordered to harm at least one human soul.
