Blaketon and Joyce Jowett become rivals in the election for parish councillor, with both doing their utmost to outdo and discredit each other. David becomes caught in the middle of their battle when they both ask him to help raise support from villagers. Meanwhile, the officers are on the trail of a burglar who only steals objects of sentimental value from people's homes, and Tricia's health takes a turn for the worst when she and Jenny organise a fitness class for the local women.