AllMovie

An investigative reporter leads a camera crew into a maze of tunnels beneath Sydney, Australia's St. James Train Station, and learns that the South Wales Government abandoned plans to tap an underground water reserve for a very good reason. When rumors begin to surface of a massive government cover-up, journalist Natasha Warner vows to uncover the truth about the derelict tunnel system. As Natasha and her team descend ever deeper into darkness, they soon realize they aren't the only ones in the tunnels. Now, one-by-one, people are disappearing. By the time the horrifying truth is uncovered, there may be no one left to tell the public of the terror that lurks just beneath the city streets.