Blue Sargent knew how to search. After her mother disappeared, the girl decided to go in search of her - underground. Now that Blue had real friends in her life, danger no longer mattered. The crows would not leave the girl even in the most impenetrable darkness of the deepest of caves. Both Ronan, the dreamer, and Adam, who became part of Cabeswater, would do anything to save Blue if necessary. Dreams become reality, legends come true, and Blue meets his past, which is closely intertwined with ancient legends.