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.
An infamous London gangster arrives in the area to try to rebuild his life after prison, but Sergeant Miller has other ideas - meanwhile, Peggy starts a salmonella outbreak in Aidensfield when a mi...
Alf goes undercover as a crook and inadvertently uncovers worrying information about Sergeant Miller's ethical beliefs, and Lord Ashfordly is looking for a new housekeeper when Peggy reckons that s...
Sergeant Miller is in hot water when he is suspected of running over a bystander during a police chase, and love is in the air for Gina when she tries out a new hobby.
When the villagers organise a bus trip to support Rob in a local charity football tournament, they give a gang of elderly crooks the chance for a spectacular crime spree.
Euthanasia is suspected when one of Helen's patients dies unexpectedly while she and Rob struggle to keep their relationship secret, and Younger is hot on the trail when Peggy and David turn their ...
An escaped killer is on the loose and sending waves of panic through the village - Rob is on the case, but he finds that there is more at stake than he expected.
Miller demands answers from Lord Ashfordly when a painting is stolen, and Peggy tries to convince two bird enthusiasts that Aidensfield houses a rare bird of prey.
A couple are placed in a financial dilemma, Peggy puts the frighteners on a pair of travelling businessmen, and Jack and Gina discover a dead body on the moors.
Relationships and loyalties are tested when a young friend of David's runs away from home, and Jack conspires with Bernie to encourage Gina's artistic ambitions.
When Blaketon is horrified to find that he is CID's prime suspect after a local coalman is brutally murdered, the evidence mounts and it is down to Ashfordly Police to clear his name - meanwhile, l...
David is frantic when Bernie dramatically vanishes following a newspaper scandal involving dodgy MOT certificates, and there is another spanner in the works when Helen's husband Matthew arrives in ...
The police are on high alert when a mysterious visitor arrives at Ashfordly Hall and a runaway boy causes trouble in the village, and Blaketon and Peggy are at loggerheads once again when a festive...
Blaketon and Ventress confront old demons when the murderer of a former colleague is released from prison, and Peggy learns that she is of aristocratic descent.
A local boy with a bad reputation is in hot water after a series of arson attacks, and Jack uses his artistic skills when Peggy's scheme creates an eyesore.
When a runaway heiress and her gangster boyfriend commit a series of armed robberies in the area, Helen is kidnapped to tend to a gunshot wound - meanwhile, Peggy persuades David to take over the r...
Peggy is quids in when David's new radio picks up police broadcasts - but reporter Neil Downing doesn't share her delight. A QC is the target of mysterious attacks.
Younger begs Rosie to teach him to drive, and Lord Ashfordly's behaviour changes after eating some of Peggy's mystery mushrooms. A local woman's husband comes back from the grave and tries to recla...
Lord Ashfordly's niece comes to stay after the breakdown of her marriage, but she is devastated when her champion horse is stolen and held to ransom.
Local farmer Colin loses all his worldly goods in an auction following his father's death as his estranged brother turns up acting suspiciously.
Rosie is worried when Bernie becomes the target of a series of mysterious and violent attacks, and Helen's world is turned upside down when a stranger from her past arrives in town.
Debbie Bellamy is under serious suspicion after a dead body is found in a nearby river and witnesses describe her fleeing the scene, Peggy and David are invaded by hippies, and Rob and Helen attemp...
Miller is delighted when an old Army pal of his arrives in Ashfordly, and Jack gets jealous of the help and support that Gina is giving Bellamy while Debbie is away.
Helen and Rob's wedding day arrives as Ashfordly Police are called in to deal with persistent noise complaints from a neighbour, but things soon take a nasty turn.
A spate of sheep rustling has the police foxed, and Helen is called in when an elderly woman is found dead in a river and her son struggles in the aftermath.
A local dance ends in disaster when a young girl is involved in a hit-and-run and the prime suspect turns out to be the son of a notable local man.
A prisoner is busted out of the Ashfordly cells for a secret mission, and Rob is left devastated when a local boy avenges the death of his beloved dog.