Miyamoto Musashi is destined to be Japan's most celebrated samurai, a man revered as a sword-saint. But for now, Musashi is on the brink of death fighting against an enemy armed with the unconventional but deadly sickle and chain. Out of pure instinct he resorts to using both his long and short swords at the same time. This single act of desperation is the historic start to what will eventually become Musashi's signature sword-fighting technique as well as a quantum leap in the world of martial arts.