Ganner studies the legends associated with the mystical image of the Water One. According to the retellings of the superstitious population, this representative of the wizarding world has extraordinary properties. Therefore, the restless activist goes into the thicket, taking with him an energetic girl who claims that she knows how to get on the trail of a unique person. The young man's motives for taking risks are quite noble. After all, the sought-after person is able to heal with his witchcraft power even in those cases when medical specialists are powerless. And the boy's mother is dying of serious pathology. Will the adventurer's desperate plan work?