Inuyasha and his friends continue their quest to find the remaining shards of the Shikon Jewel and defeat Naraku. They learn that Naraku has absorbed a powerful demon named Moryomaru into his body, making him even stronger. Inuyasha and his allies work to find ways to counter Naraku's new powers and allies, while also protecting villagers who get caught in the conflicts. Their journey to defeat Naraku and purify the Jewel continues.