Growing up in the war-torn farming village of Bizen, Japan, Mitsurugi witnessed his parents' murder at the tender age of 14. Seeking revenge, he trained under a warlord's guidance, learning the strict code of the samurai and becoming a formidable swordsman. Throughout his life, he's constantly sought to find the world's most powerful weapons. Now, at the age of 29, Mitsurugi overhears rumor of a "hero's sword," one that would grant its wielder divine power. Enticed by the legend of this blade, he sets out to find it and live up to his reputation as the "rude samurai."