Musashi Miyamoto (Toshirô Mifune) hones his swordsmanship as he continues his epic quest to become a master warrior. He contends with formidable foes and the competing love of two different women. Trials and challenges leap at him constantly from every angle. Whether it is a mob of swordsmen ambushing him or a talented young duelist slicing his way up the ranks of fighters, Musashi confronts his opponents with his sword and his intense dedication. Defeat is something he will not accept.