A lavish retelling of the true story of the final voyage and ultimate destruction and sinking of the battleship Yamato, Japan's greatest flagship during the Second World War.

When his pistol is stolen, police detective Murakami is humiliated, especially when the gun is later implicated in a crime. Working with his superior, Chief Detective Sato, Murakami works feverishly to trace the location of his pistol, ultimately clashing with a gang of youthful Okinawans.

During the military phase of the Meiji Restoration of 1868, Sentaro joins a local militia loyal to the Tokugawa Shogunate in order to fight Imperial troops. But Sentaro's friendship with a pickpocket, who switches sides whenever it suits his needs, leads to complications that could cost Sentaro his life as they infiltrate enemy lines.

Based on the novel of the same name by Hisashi Inoue.