AyoungJapanese-AmericanorphaninCaliforniaistakeninbyapriestwhoisactuallyaJapanesesecretagentandasamuraiwarrior.Duetothesamurai'straining,theboymurdershisEnglishteacher,killstheAmericanparentswhohaveadoptedhim,smugglesJapanesesecretplansintothecountry,andeventuallybecomesthegovernorofCaliforniawithplanstoinfiltrateJapanesespiesintothestatesotheycantakeover.