China O’brien; big city police woman; martial arts trainer, is forced to hand in her badge and head home to her father and the small town where she grew up. The peaceful town she knew is now struggling against the clutches of organized crime. When her father, the town sheriff, is killed China decides to run for his position and clean up the town. The poll results spark a series of confrontations that finally decide who runs the town
元和九年（1623年），德川第二代将军秀忠在江户大奥内暴卒，其死因尚未查明，下任将军继承人的问题旋即便被摆上台面。秀忠生前宠爱幼子忠长（西郷輝彦 饰），京都皇族也对其甚为看好，故而江户多数大臣全力拥护忠长出任第三代将军；另一方面，忠长的兄长家光（松方弘樹 饰）是第三代将军的合法继承人，其背后有老中松平信纲（高橋悦史 饰）等文臣的支持，更有将军剑术师傅——柳生宗炬（萬屋錦之介 饰）及其武士家族充当坚强的武力后盾。 为使家光成功践祚，柳生一族广结同盟，在对手处安插眼线，甚至不惜采取暴力手段达到目的。那个夏天，江户城内外陷入权力斗争以及血雨腥风之中……
为了还清儿子的母亲欠下贩毒集团的债务，这名摩托车骑手不惜断送成为职业车手的机会，冒着生命危险，干起了运送毒品的勾当。
