Inuyasha has mastered the ultimate attack of the Tetsusaiga and continues his battle for the Shikon Jewel shards with Kagome, Shippo, Sango, and Miroku. Unfortunately, a freak occurrence with a jewel shard has brought to life an incarnation of a demonic enemy sealed by Inuyasha's father. Inuyasha must surpass his father and destroy this demon, or every soul in Japan will be consumed.