Members of the local constabulary patrol the town of Ashfordly and the nearby village of Aidensfield in the North Riding of Yorkshire, keeping the peace whilst also dealing with local loveable rogues and their own love lives. The programme is based upon the "Constable" books by Nicholas Rhea.
When some badly mauled sheep carcasses are found and two children are frightened by a mysterious animal in the woods, Nick and Kate become involved.
When three children claim to have seen a witch vandalising a funeral urn containing the remains of Amy Dewhurst, Nick finds himself in the middle of a family feud.
A family passing through the village brings terror to the inhabitants of Aidensfield when their lost dog is discovered to have rabies.
Nick takes an undercover fishing holiday to investigate a case of smuggling, and Ventress proves to have some useful leads. Kate has to break some difficult news to a patient.
A break-in at the local council offices leads to a more serious crime when an adoption file goes missing, and Greengrass goes on the warpath when his new hobby is sabotaged.
Gina Ward undergoes a terrible ordeal and is distressed by the attitude of the police and the local people.
Dennis Parker, apparently suffering from amnesia, arrives in Aidensfield looking for his wife and daughter whom he left seven years previously.
A local woman's attempts to avoid her husband's advances by putting sleeping tablets in his whisky have tragic consequences, and Greengrass gets involved in illicit cockfighting.
Police drama series set in Yorkshire in the 1960s. Nick is confronted by a Russian sailor demanding political asylum, and Greengrass teams up with an unusual partner. S4 Ep9
Police drama series set in Yorkshire in the 1960s. The discovery of wartime ammunition leads to problems when it falls into the hands of some local children. S4 Ep10
Police drama series set in Yorkshire in the 1960s. There are plenty of people to give advice when Nick and Kate's marriage is thrown into turmoil. S4 Ep11
Police drama series set in Yorkshire in the 1960s. Nick investigates a malicious burglary and Greengrass is discovered handling stolen goods. S4 Ep12
Police drama series set in Yorkshire in the 1960s. Nick investigates graffiti at a battery egg farm, and Greengrass tries his hand at selling free-range eggs. S4 Ep13
Police drama series set in Yorkshire in the 1960s. The apparently simple case of a lost suitcase reveals a long-standing family feud. S4 Ep14
A Bird in the Hand: Police drama series set in Yorkshire in the 1960s. Nick tries to get to the bottom of a dispute between neighbouring farms. S4 Ep15
Police drama series set in Yorkshire in the 1960s. Kate recruits Greengrass to be Father Christmas at the village concert. S4 Ep16