As Lucy, Kouta, and the family of the Maple House try to bury their demons and strengthen their bonds, a sadistic evil stirs in the depths of the Institute that will threaten to destroy the life they have built together, and put those bonds to the ultimate test. When darkness reaches into their hearts, they must endure together, or lose everything.

With Naraku's new incarnation comes an obsession to destroy Kagome, who is becoming more and more powerful as she unleashes new powers and her relationship with Inuyasha is strengthened.