As Inuyasha and Sesshomaru continue to duel for possession of the Tetsusaiga, both brothers discover the unexpected power and strength of their respective inheritances. After the fight, an injured Sesshomaru is helped by the young orphan Rin. Koga, the leader of the eastern wolf y?kai tribe, is seen attacking the villagers, in search for the shards of the Shikon Jewel. Sesshomaru finds Rin, who was killed by Koga's wolves, and revives her using the Tenseiga, realizing its true strength and power to heal and save lives.