Ben and Myra Oswald are woken by a frantic knocking on their front door. Outside, a young girl is terrified, convinced she is being hunted by an unseen force. When they invite her in from the cold Ben and Myra unwittingly open themselves to a dark force which infests their dreams and pulls them screaming into a realm of the darkest magic. The clock has struck midnight. It is now The Witching Hour.