In the ninth book of series Катерине has to run into treachery of witch, in a time of depriving her possibility to be with friends. A tale-teller leaves on a distant island, to find the last serpentine ring before villain. Kir forces to accept one of the most difficult decisions in lives, that save a near man. Катерина close meets with Great Raven, finds упырьи fairy-tales and unravels the riddle of potion of unknown зверушки. She must return sight to Stepan becoming blind from intrigues of Кащея, to know, how to worm into Причудье, visit on leave together with Brown Wolf, to hurry to decide north wind, what it is important for her, not only in the curved Seashore but also in the real life.