Nick comes to the aid of Barry Jackson, a schoolteacher struggling to care for his mentally-ill wife, Sophie. When Sophie steals Barry's car and causes havoc in the village, Nick discovers she may have been involed in a number of shoplifting incidents, leaving Barry in an even more desperate position, and Nick finds the case to be one of his toughest when Sophie is killed in a house fire. But who was the arsonist?. Meanwhile, Gina has her suspicions about Malcolm Brown, who is staying at the Aidensfield Arms. But her suspicions soon land her in trouble with an escaped convict. And, Greengrass and George enter a pigeon race. But the pair soon clash.