在这部柳生武艺帐：双龙秘剑剧情/动作/冒险片中,本片是《柳生武艺帐》（《风虎云龙传》）的延续。隐术派的千四郎，受浮月斋之命，到荒山找出多三郎与夕姬夺取《剑秘图》。原来《剑秘图》为一个农民所拾，后卖给了一个卖艺者法眼。法眼知其重要，便把它藏起来。有一天，法眼把《剑秘图》送给千四郎，觉得他有统治天下的才能，千四郎很高兴便决定和法眼一起闯天下，再不顾浮月斋了。他更向柳生十兵卫决斗，各出《剑秘图》一卷，胜者可得对方所有者。柳生十兵卫终为千四郎所杀。突然浮月斋的伏兵向千四郎杀来，把千四郎砍伤，还把法眼刺死了，幸好得多三郎和兵库介闻风所救，至免一死。
In the Tokugawa Era, the clan of Lord Yagyu has hidden away three scrolls containing clan secrets which, if revealed, would cause revolution and disaster for the clan. The information is divided among the three scrolls, all of which must be possessed for the secrets to be understood. When Princess Yuhime steals the scrolls, Tasaburo, a samurai with magical powers, and his brother Senshiro are sent to retrieve them. In Part II, the search for the scrolls continues.
