A scientist in search of history goes missing in a labyrinth built around 200 B.C. after the discovery of a mummified Chinese emperor. In an attempt to locate the scientist and more knowledge about the amazing find, his colleagues discover a terrible secret that had been hidden deep within the labyrinth for over 2,000 years: A funnel web variety of arachnids swarm through the site. They enjoy eating human flesh and seem to work together in an intelligent manner that horrifies the scientists. Now, to survive, they must fight back while searching for the truth about how these nightmarish creatures came to exist.