Janet is unnerved to discover that DSI Dodson cannot ignore her concerns about Gill's drinking. Just as Rachel feels as if she is getting to grips with the job, she makes a fatal error that puts Janet and Chris in danger. When a man's body is found wedged between rocks on the moors with nothing to identify him, a road block is set up and an appeal put out. Enquiries lead Janet and Chris to a nearby farm, but they discover something much more sinister and shocking than they could ever have anticipated.