Inuyasha and the group must battle the Birds of Paradise, before they can reach the wolf den. Meanwhile, back at the den, Koga expresses his true feelings for Kagome. When the final battle with the Birds ensues, will Inuyasha's jealousy cost Koga his life?

When Koga, a wolf demon, kidnaps Kagome and Shippo, Inuyasha, Miroku and Sango go on a rescue mission. But there's another foe they must defeat first, before they can reach their kidnapped companions.

Inuyasha and Sesshomaru continue fighting for the Tetsusaiga. After the fight, while Sesshomaru is recovering, a little orphan girl, Rin, tries to bring him food. When her village is attacked by wolf demons, Sesshomaru returns the favor and helps Rin. Meanwhile, Kagome senses a jewel shard. Inuyasha and gang follow her lead to the massacred village, where they are quickly surrounded by wolves and Koga.

Inuyasha and the others are introduced to Totosai, the swordsmith who forged Inuyasha's Tetsusaiga and Sesshomaru's healing sword, Tenseiga.

Acting under Naraku's request, Kikyo traps the Inuyasha gang with an illusory mist, causing them to have nightmarish visions.

Inuyasha and the others stumble across a cave full of demons fighting to the death. They soon discover that Naraku is using to find a new demon to integrate into his being. However, the large demonic aura brings Kikyo into the mess.

While looking for an antidote to cure the ailing Kilala, Inuyasha and Kagome come across the herb garden of the half-demon, Jinenji, who is constantly bullied by the prejudiced locals.

In the hopes of saving Kohaku, Sango steals Inuyasha's Tetsusaiga and hands it over to Naraku. However, a battle against Naraku soon ensues.

Naraku uses one of Sango's fellow demon slayers as a bargaining chip to try to persuade Sango into giving him Inuyasha's sword, Tetsusaiga.

After Miroku sucks a mantis demon into his Wind Tunnel, the demon manages to rip the tunnel. Panicked, Miroku returns to the home of his mentor, Mushin, to repair it. Haunted with memories of his father's death, Miroku must come to terms with his Wind Tunnel as demons attack Mushin's temple.