A new doctor arrives in Aidensfield, and Merton is put under pressure when Jenny becomes convinced that he is having an affair.

A kidnap case leaves Vernon's plans for Liz and Ben's wedding in chaos, while Helen's dreams of a fresh start for her and Matt look set to be shattered. Jenny is relieved when she finally gets a medical diagnosis explaining her recent symptoms, but the news brings a difficult decision for husband Dennis, who has to choose between his wife and his police career.

Walker is forced to confront his past when he undertakes his own unofficial investigation into a series of violent robberies around Aidensfield. Helen has to come to terms with the fact that her marriage is probably over when Matthew's mistress appears in the village, and David finds himself involved in some shady behaviour.

Matthew Trent makes an official complaint about Rob Walker, who stayed overnight at Helen's when he should have been on duty. A truck is involved in an accident after passing its MOT at Bernie's garage. Phil Bellamy is becoming increasingly smitten with Debbie.