The parents send the student Stepa to the village for summer holidays to his grandmother — as punishment. Here he is forced to abandon modern technological benefits and live by the rules of the village. Running away from local teenagers once again, Stepa tries to hide in a well, but falls into it. When he gets out, he realizes that he has found himself in a real Cossack village of the 17th century. At the most important historical moment of our country. By the will of fate, Stepa will learn a lot from her distant ancestors, find real friends and learn in practice the history lesson that was filled up at school.