While working for a construction company in Israel, Gary and Beth Carter discover an ancient temple. Wide eyed and unaware, their team enters and unknowingly unleashes the unfinished business of a disturbing pagan ritual.
Seven years later, Gary and Beth are struggling to raise their special needs daughter, Allyson. Allyson cannot relate to others; her only way of communicating is through strange drawings and seemingly unrelated words. Desperately wanting to help their child, they call on family friend Bill Monroe, a Theology professor, to help piece together the dark secrets from the recesses of Allyson's mind.
Upon discovering the underlying reason for Allyson's problems, Gary and Beth are pulled into a nightmare, bringing them to the realization that if we could see the invisible demons that haunt us every day, it would drive us mad.