In this epic sequel to Onlyness, Sigil, Anomalie and Mara find themselves in the Crax, a hidden, underground, virtual reality complex, where roaming gangs haunt the night and anti-Judicial radicals secretly conspire. In pursuit are the demon, Lord Berith and his son, Solomon Worth. But they are not alone in the struggle: Engineer, a mysterious, genius hacker, has developed powerful technology, laced with Angelic magic, that could change the tide of war. Hunted by the Judicial Monarchy, Sigil, Anomalie and Mara find clues pointing to the Litany of Stars, an ancient song that holds the key to their destiny. But with every heartbeat, they come dangerously closer to the immense weight of Sigil's curse.