In the year 846, an ancient civilization is lost beneath the sea taking its treasure with it. Legends spring up that claim in the centuries to come, one will be born with a map to the treasure on his shoulder. We then jump ahead to the year 2025. East Asia is now one immense city called MegaCity. A group called the M.O.B. (MegaCity Ocean Blue) has taken power in the region that was the Korean Peninsula and the stage is set for the search for power and treasure.