In a city long cursed by the ancient presence of R'lyeh, a young scholar's discovery of a forgotten text triggers a race against time to prevent a catastrophic awakening of the ancient god Cthulhu....

In the labyrinthine depths of the Damned City, a Demon's Advocate faces his most perilous case yet, as the line between the Outer Planes and the Outer Dark blurs, and the ancient, inscrutable forces of Cthulhu loom ever closer....