Amityville II: The Possession (1982)
A local priest tries to rid 112 Ocean Avenue of unclean spirits, but what he doesn't yet suspect is that teen Sonny Montelli has been possessed, body and soul, by a murderous demon bent on total destruction. child abuse, sibling relationship, abusive father, exorcism, poltergeist, possession, house, dysfunctional family, prequel, church, demon, incest, evil, demonic possession