As Mac, Barrons, Ryodan, and Jada struggle to restore control, enemies become allies, right and wrong cease to exist, and the lines between life and death, lust and love, disappear completely. Black holes loom menacingly over Dublin, threatening to destroy the earth, yet the greatest danger is the one MacKayla Lane has unleashed from within: The Sinsar Dubh -- a sentient book of unthinkable evil -- has possessed her body and will stop at nothing in...