Earthquakes and volcanic eruptions...A toxic atmosphere... Security Chief Avadhron's people were forced to retreat to living in domes, but how long can they last? In anger and despair, they turn on each other; riots have broken out and domes are sealed due to clan feuds. And now, on top of all their troubles and dangers, a long-dormant portal activates, and an alien arrives. Why has the portal activated now? What scheme brings this alien to their world, and can Avadhron stop him?