London policeman Nick Rowan and his recently qualified Doctor wife - Kate move away from the city and go to the rural surroundings of Aidensfield, a village in the heart of the North Yorkshire Moors, where Nick's the new village policeman. Whilst they are still settling in, Nick's new section Sergeant, a Sgt Blaketon calls for Nick and takes him to see the local Rogue - Claude Greengrass and insists that he charge him with livestock worrying after his dog, Alfred killed a budgie! Greengrass admits Alfred did kill the bird and offers compensation, but Blaketon insists Greengrass be charged, despite Nick's reservations. The case goes to Court, but due to insufficient evidence, the court can't charge Greengrass as a budgie isn't classed as livestock. Meanwhile a local woman, Georgina Fraser tells Nick that she has a prowler at her house and one night she calls Nick out when the prowler returns. She then see's him at the village pub, the Aidensfield Arms, and Nick goes to see the Landlord

There is an outbreak of sheep rustling and one of the victims who is renowned for naming his sheep accuses Greengrass of the crime. Greengrass ends up in court and is convicted, but Nick discovers holes in the evidence and realizes that Greengrass had been set up. Meanwhile Alan Maskell who is on bail does a runner to London. But unknown to him his wife Sandra suffers a miscarriage at the same time. Nick in the meantime is asked to go for an interview to join the drug squad team at Scotland Yard, which would guarantee a promotion to Sergeant. He decides to go for the interview despite Kate opposing the idea of returning to London. Whilst there he promises Sandra that he'll find and bring back Alan. Whilst in London Nick finds Alan in a night club, then there's a drugs raid by police and Nick sees them plant the evidence. Nick is arrested along with everyone else. Nick later files an official complaint about the officer in charge of the raid. He's then offered the job with the drug squa

Insp. Crossley has an interesting idea as to what has been responsible for a series of attacks on sheep - he thinks a puma did it - much to the Ashfordly Police's amusement!!!!!!!! He keeps to his theory until Alfred is put in the frame for the crime. Claude is ordered to have Alfred destroyed, Claude violently objects and even steels Alfred back. But Nick doesn't believe Alfred is to blame and catches the real culprits in time. They were sheep rustlers, and Blaketon has great fun in informing Insp. Crossley of this fact!

Derek Ramsey's loses his temper during a domestic row at home and storms off down the pub. He drinks heavily and Phil asks him to leave. But Derek ends up assaulting Phil, Nick and Alf. He is sentenced to 28 days, but as Phil and Alf are taking him to jail he escapes, much to Blaketon's disgust! Derek made the escape to get back to his girlfriend who is in danger. Greengrass is working as a lollipop man until an out break of pilfering occurs at the school, and he's told to leave. Claude is offended and angry at Nick because he thinks it was him who got him the sack, when really it was the Headmistress of the school who thought Claude was the guilty party.-Which of course he wasn't.

There is an out break of handbag snatches in the area, the police know who the perpetrators are but can't prove anything. Phil decides to take matters into his own hands when his Gran is the next victim. To ensure a conviction he plants her purse on the suspect, and asks Nick to go along with it, he does, but in court the suspect's solicitor finds holes in the evidence and Blaketon realises what's happened. The case is dropped. Blaketon is angry and threatens to report Phil and Nick for the incident but informs them the next day, that just this once he would let the matter drop. Blaketon then turns to Alf for help with the case, and they set up a successful identity parade, which provides enough evidence to make the charges stand up in court. Meanwhile Jo is having problems with her mother disapproving of Nick and Claude is told there's more to a stuffed ram than meets the eye!

Greengrass buys a sheep to win some races, and of course money. Jackie has become halfway partner of the lawyers' firm, but to reach full partnership she needs £5000. A young girl is raped in her car.

The painting artist Joe Vaughan seeks peace in Aidensfield, bu he runs into brawls and controversies with members of the local rugby club and the police takes him into custody, until Jackie Bradley makes a judge release him. Then his house is burnt down.

Celia Hanson has just retired as teacher and lives now in a small house in the countryside. Her nearest neighbor, a Long time farmer has absolutely no understanding for her need of peace and quiet. As Blaketon tries to mediate, things get even worse.

The boy who caused damage to the police property runs off with his 16 year old girlfriend. The girlfriend falls ill after drinking contaminated water.

Vernon eventually persuades Oscar to try a slot machine in the pub. He says he will pay for the winnings himself. Vernon doesnt realise the machine has been fixed by a friend of Bernie's, meaning Oscar enjoys a busy night of trade, eventually the man who fixes the machines foots the bill.