Author's family history. We can say that this is a film about my grandfather. It can be said that it is about a horse and about the relationship between a man and a horse, or how the horse influenced the history of the country and the world. And everything will be true, since my grandfather Zavilgelsky Boris Dmitrievich was the director of the First Moscow Stud Farm, where the legendary stallion Kvadrat was born and the no less legendary groom Uncle Vasya worked.