Unknown to the survivors on the Earth's surface, human life endured the nuclear nightmare beneath the seasthe Russians in a soaring, multi-domed suboceanic city and the Americans in a secret underwater military complex called Mid-Wake. For years these deepwater foes have waged a fierce and bloody war across the ocean flooruntil the Reds discover the earth's surface is habitable. If they emerge to join Marshal Vladmir Karamatsov's killer army on the surface, what remains of the free world is doomed. It's up to RourkeThe Survivalistto enter the undersea world and bring his fight for freedom to the fathomless depths and make sure the deadly alliance of evil never occurs!