Earth's surface has become too hazardous to support life. The ozone layer has become severely depleted, the polar ice caps have completely melted and the remaining land masses are dangerously radioactive.However, mankind proved its resourcefulness. Life has begun anew under the surface of the world's oceans. World governments work to shape the flow of modern society and a respected conglomerate focuses on its hidden agendas. All the while, piracy has begun to plague the oceans.Despite these trials, there is hope in the form of a metal armored vigilante and his growing number of allies. With the help of the United Systems Navy, a heroic union is formed with the shared goal of protecting the citizens of this futuristic world and maintaining order in these dangerous tides.