Reading fairy tales and getting into a fairy tale are not the same thing! An unemployed loader, and in the past a school history teacher who suddenly received a tempting offer to work “abroad”, is convinced of this. Yaga's hut takes him to the wonderful World of Light, to the Republic of Nav. Here, having hung the mysterious Sign of Berendey around his neck and taking as his traveling companions a forest elf musician, the great-granddaughter of the cat Bayun and the wise rural blacksmith Ivan the Fool, the hero goes to the capital city of Kitezh. Yes, only lightly no one promised a walk: robbers and wild animals prowl the forests, a pack of werewolves are on their trail, and an Unknown Evil lurks in the capital itself...