简介：AfterthemassacreofChristiansatShimabara,followersofAmakusaShirobandtogetherinaplottooverthrowtheshogunateinordertoexactrevengeontheTokugawa.AtthesametimethereisasuccessiondisputeintheKurodaclan,asonefactiontriedtousurptherightfulheirandtakeoverthehonoredclan.Beforehisuntimelydeath,thelordoftheKurodabestowed“Nihongo”amagnificentspearonhisfinestwarrior,whichultimatelybringshimintocontactwithtwoofJapan’smostfamoushistoricalfigures,YagyuJubeiandMiyamotoMusashi.Canthethreemastersofmartialartjoinforcestodefeattheirenemiesandsavethenation?…