一伙自称幕屋一门的强人在江户树起了“新阴流正统”的道场大旗,这让柳生一门颜面扫地,群情激昂的众年轻门徒决定偷袭幕屋道场,谁知竟被早有准备的敌人反杀。为报血海深仇,更为了维护柳生新阴流的尊严,十兵卫和师弟庄田率领十名精干弟子深入虎穴,与一生中所遇到的最强大的对手拼死血战到底。。。The Yagyu Family have been teaching the Shinkage fencing style for generations. However, the master of a new fencing school in Edo claims to be the true successor of Shinkage and tries to take over the Yagyu's political power.