在这部侍魂:破天降魔动画片中,宽永十五年二月,日本岛原半岛发生战乱。天草四郎时贞忘记了自己身为圣剑士的使命,为了统治日本,不择手段的发动着战争。以霸王丸为首的其他6个圣剑士义愤填膺,前去讨伐。谁知道……诶……英雄们全数葬身在天草的魔火之中……5555岛原之乱100年以后,圣剑士们的灵魂转生,继续走上讨伐天草的道路。可是霸王丸似乎因为100年前的失手,脑子里少了根筋似的哈,一意孤行,一天到晚只知道去各个道馆摘牌子...
One hundred years after their deaths, six legendary holy warriors are reborn to seek justice against the former comrade who betrayed them into the hands of an evil god! The six warriors search the feudal province of Edo questing for the last Saint Soldier, Haohmaru, and their sworn nemesis Shirou Amakusa. Will the followers of the divine light triumph over the forces of darkness, or is history destined to repeat itself? Before their hundred-year journey has ended, six samurai will prove that the only thing stronger than their holy blades is the steel of their wills!