A hot-shot architect returns home from his latest business trip with a surprise: an ornate old clock rescued out of a soon-to-be-demolished mansion in Amityville, New York, that brings about a seemingly unstoppable demonic force.
David and Carolyn marry in Hawaii and continue to work to find a cure for both their afflictions in a race against time.
On the run and presumed dead by the authorities, David Banner, using the name 'Benton', continues in his efforts to find a cure. He accidentally finds himself in the middle of a plot to kill a young, crippled girl so her unscrupulous relatives can inherit the family fortune.
