The Badan Empire killed Ryo Murasame's older sister, and he had been cybernetically remodeled into ZX. However, he regained himself after an accident and stood up fearlessly.

Depicts the bloody siege of the fortress of Port Arthur, one of the most strongly fortified positions in the world, during the Russo-Japanese War of (1904 - 1905). In the story dominated the character Lt Takeshi Kogyo (Teruhiko Aoi), teachers, and a reserve officer who became commander of the platoon and later company. At the same time monitors the conduct of the army commander general Nogi (Tatsuya Nakadai), which was commissioned of the emperor Matsuhito (Toshirô Mifune) to the conquest of the fort.