The Beginning Part 1.Aku, an evil shape-shifting demon, devastates a young prince's land in Medieval Japan, and his parents send him into exile. After years of intensive training, the prince receives a mystical sword imbued with his father's righteous spirit as well as a samurai kimono, and frees his people from Aku's minions. He then defeats Aku in battle, but before striking the final blow the latter casts a spell to send him into the future.