Shoestring - Season 2 Episode 5 The Farmer Had a Wife THE PRIVATE EAR.
Overview: Rosemary Mortimer, the wife of a water cress farmer, has disappeared for the second time, and her husband David is being persecuted by villagers who believe he has killed her. Don wants Eddie to raise the profile of his radio show, and Eddie offers to help Mortimer find what has happened to Rosemary.