It begins in the fog, with a bleak village funeral. In the early hours of the following morning, Merrily Watkins and her daughter Jane are made aware that Aidan Lloyd, son of a wealthy farmer, will not be resting in peace. A rural tradition is displaying its sinister side as an old feud re-ignites. It's already a fraught time for Merrily, her future threatened by a bishop committed to restricting her role as deliverance consultant, or diocesan exorcist...