Under: Scourge of the Sewer

Some people bury their secrets underground. In Megalopolis, the dirt flows into the sewers.
LT Wilson Jericho, disgraced from his position above ground and now an officer in the sewer police, thinks he knows everything there is to know about what lies beneath. But scientist Sandra Yeatman is determined to discover the truth behind the legends, and something is threatening to crawl out and rip the city apart...