A coup d'etat is underway in the small nation of Bergen, staged by Colonel Ark. Seeking to establish complete control over the government and the NORAD units stationed there, Ark's first step involves the capture of President Orwen. Tipped off to the rebellion, Orwen seeks to flee from Bergen, looking for safe passage out of the seaport of Port Ertothal. A young Wanzer pilot, Albert Grabner, is assigned escort duty to the president by loyal elements of the army stationed there...