Windale, Massachusetts is a proud old town that embraces its colonial heritage, including the legend of a dark witches' coven dating back three hundred years. No one in Windale actually believes in witches. But three people, unknown to one another, are experiencing vivid nightmares of palpable horror. A dreadful presence is working its way into their waking lives, and is coming for them. Wendy Ward, a student at Windale's Danfield College, is known around campus as the college president's daughter, and an offbeat dabbler in the occult. But nothing can protect her from true evil...Karen Glazer, a Danfield professor is eagerly anticipating the birth of her daughter. But she can't suppress her growing dread that her unborn child is in danger...Abby MacNeil, a lonely 8 year old, stumbles upon three ancient gravemarkers in the woods, earthly evidence that Windale's witches, a trio of blood sisters executed by hanging, were once very real...When Wendy performs a harmless channelling ritual on a crisp autumn night, a long buried power takes a terrifying new form: a demonic creature with the power to shatter an unsuspecting town.