On a sacred mission to exorcise once and for all the ancient evil force of Amityville, the pained priest, Father Benna, visits the new home of Jeremy Ducane, and his young daughter, Amy, after a series of strange occurrences. In the house's dark basement, evil-infused lumber from the original Amityville House in Long Island seems to pollute the entire place, as Amy finds herself under attack by a demonic power that thirsts for her soul. Now, a sinister red-clad entity demands sacrifice. Can the Amityville exorcism banish the malevolent force to the depths of hell?