When younge Charlie Fenton and his girlfriend nearly run over a little boy, the boy's grandad Alec alerts the police. But when Nick drops the case, Alec resorts to shocking lengths to see Fenton behind bars. Nick becomes intrigued when Blaketon becomes unusually desperate to protect Fenton, whatever the cost. What is his sergeant hiding? Meanwhile, Greengrass is not happy when his rich older brother Cyril arrives in Aidensfield to buy a cottage for his mistress. However, Greengrass spots a way to use Cyril's new Rolls Royce to make his own fortune, whilst Jo's father moves in with Maggie to recover from his wife's death.