Naraku, using the Saimyōshō, takes a poisoned shard of the Shikon Jewel from the forehead of a bear yōkai. During a raid on a Naraku's castle, Koga's wolf yōkai tribe is killed by the wind sorceress Kagura, who lures Koga to the castle with the poisoned shard of the Shikon Jewel. When Koga finds Inuyasha amongst the fallen wolves, they begin a duel to the death. Miroku and Sango are to enter the castle to fight another demon puppet manipulated by Naraku.