Inuyasha is attacked by a corrupted human wielding a mysterious sword known as Dakki. If our hero loses this battle, he will lose his mighty sword Tetsusaiga as well! Then, the corpse of the turtle demon Meioju is revived by a piece of Moryomaru's flesh. Meioju's shell is said to be the toughest of any armored demon... Even with the aid of Sesshomaru, does Inuyasha stand a chance of penetrating Meioju's armor?! Finally, a battle with a treacherous tree demon leaves our friends...puzzled. What devious plan is Naraku concocting now...?