In the aftermath of the 2011 Tōhoku earthquake and tsunami, a journalist arrives in Nagaoka, a city decimated during a WWII air raid and by the 2004 Chūetsu earthquakes, to…

An attack takes place on Rainbow Bridge in Odaiba, Tokyo by the fighter helicopter `Gray Ghost`. 2 days earlier, the Gray Ghost was stolen. The perpetrators are followers of Yukihito…