Valentin Lunin is the one who can give new life to the ancient biomachines of Atlas. But his sister Anka is capable of more. She is the Navigator. She who can take the bio-ships of the Atlanteans into the depths of Space... Or into the depths of the ocean, where the ancestral home of the Atlanteans rests. But when her older brother is kidnapped by secret service agents, neither biotechnology, nor money, nor trained Atlas militants are able to free him. Valentin will have a chance of salvation only if fairies and their forbidden witchcraft come to his aid...