铁剑(高山南 配音)奉父之命潜心钻研剑道,在比赛场上遇见了一生的宿敌鬼丸猛(堀川亮 配音),几番较量之下,鬼丸猛成为了铁剑的手下败将,不甘心的他被风神附体,得到了绝世珍宝风神剑。这边厢,铁剑亦得到了同样拥有强大力量的雷神剑,鬼丸猛一心想要夺走雷神剑,实现自己双剑合璧统治地球的野心,然而却总是不敌铁剑。 在彻底粉碎了鬼丸猛的阴谋之后,铁剑和一干好友踏上了寻找龙珠的旅途,贼心不死的鬼丸猛自然要从中作梗,派出剑客,阻挠铁剑的队伍。最终,铁剑完成了目标,召唤出了神龙,哪知道神龙的出现使沉寂多年的香姬(深见梨加 配音)横空出世,世界再度落入了危险之中。Yaiba Kurogane, with his two animal pets (a vulture and a tiger), leaves his home in an island and goes Tokyo to becoming in a great samurai like his father, living with the Mine family and Sayaka, his best friend. In this moment a classmate of Yaiba, Takeshi Onimaru, turns in a demon looking for conquest the world, being called 'Devil of Wind'. Yaiba and his friends Musashi Miyamoto, Jubei Yagyu and Kojiro Sazaki will fight for to defeat to Takeshi and his demon soldiers, at the same time what other enemy, Princess Moon, wake up of his dream and like Takeshi she too wants to rule the world, doing more dangerous the Yaiba's mission. With his magic sword, 'Sword of God of Thunder', Yaiba and company will try to defeat his enemies to sure the freedom of the world.