The ancient wall between the human world and the Fairy world is destroyed, the fabric of the Universe is damaged. Our land is on the verge of extinction. Salvation lies in the long-lost Song of Creation. But the search for the Song is dangerous and difficult. On the streets of Dublin there is a real war of the worlds, in the center of which is Mac, her friends and her lover. The girl will have to face old fears, ancient evil, betrayal and the all-conquering power of love. Will Mac be able to free himself from the power of the Sinsar Dubh - the Book of Eternity? And will she be able to save everything that is dear to her without losing her own life? The book contains profanity.