Classic B-movie horror! Some people bury their secrets underground. In Megalopolis, the filth flows into the sewers. Lt. Wilson Jericho, disgraced above ground and busted down to 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 urban legends – and prove that something monstrous will soon crawl out and rip the city apart!