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In 2057, a smart house remains standing in a world without humans after a nuclear war, along with the robots inside it. The robots continue their daily routines meaninglessly. While humanity has been destroyed by a power of its own making and greater than itself, this artificial order, in parallel, is also unable to withstand the greater force of nature for long.

Once an old man and an old woman fashioned their daughter out of the snow, and Santa Claus revived her. The Snow Maiden was beautiful, kind, hardworking, and everyone loved her very much. Spring came. The Snow Maiden stopped playing and hid from the hot sun all the time. Somehow, the village children started jumping over a blazing fire. They persuaded the Snow Maiden to take part in the game...

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.