The story takes place in the magical School of Bayun Cats, who have the power to inspire and heal people. The protagonist, an unusual cat named Kus, grew up in a family of raccoons and carefully hides this secret from his fellow cats. The familiar world is threatened when his cunning adversary, Ryzhiy, creates a special potion that transforms the kind Bayun cats into evil creatures. To stop his enemy, Kus must master the ancient art of "purr-power," which can bring fairytale characters from people's dreams to life, find loyal allies, and finally discover the truth about his own origins.