"Lost subway tunnels, ancient rivers, and forgotten catacombs undercut New York City. For centuries, this vast underground maze has harbored stolen treasures, desperate criminals, and violent creatures. It's a veritable playground for explorers ... until one of them goes missing.
Disgraced urban archaeologist Cy Reed is hired to investigate the mysterious disappearance. His search leads him deep into a terrifying conspiracy. Decades ago, a Nazi physicist created a weapon capable of setting the world aflame. Now, a diabolical industrialist plans to find it and use it for his own nefarious purposes. At stake is the future of a nation ... millions of innocent lives ... and one man's final chance at redemption."