In a huge forest, the edges of which cannot be seen, a tragedy happened: a family of hares lost their mother, who went out to get food, but did not return back to the hole. A brave hare named Styopa was tired of waiting and hoping for something; he did not want to put up with the disappearance of his beloved mother. Therefore, he sets off on a long journey, investigating this loss and meeting a variety of animals along the way.