Meiji Tenno portrays the buildup to the Russo-Japan War. In addition to showing the political events that led to war, it also shows the era from the story of a farm family in rural Japan that sends their son off to war. As such, it could be considered an anti-war movie, showing how, while war is devised by governments, the people do not really understand what war is, and its combatants often do not know what they are fighting for.
The murder of the chief official of Kobe city's Customs triggers an investigation of a prostitution ring called the 'Yellow Line' that sells Japanese women. A hired assassin is betrayed by his organization, and kidnaps a woman who happens to be the girlfriend of a newspaper reporter.
At the end of the Greater East Asia War, young Amada Koichi and his father were wrongfully accused as spy suspects and his father died in prison after being tortured. Ten years later, Amada seeks for revenge on the three men responsible for his father death.
