Mike is under investigation when a man (Russel Palmer) dies in the cells when he is on duty. Russell's cousin, Hibbut, claims he heard Mike beat Hibbut up. Nick warns Mike that he must tell him everything that happened that night. Mike says that he pushed Hibbut back into the cell when he tried to escape and that he was shouting ‘Quin'. Mike is suspended, and is brought in later when the post-mortem reveals that the death was partly due to a blow to the back of his head. Nick asks Neil if Hibbut could have been ill and mentions he was calling for ‘Quin'. Neil realises that Hibbut must have had Malaria and Harlequin is the drug supplied for the condition. Phil and Nick go to check Hibbut's room and discover a tablet bottle. Nick is hostile towards the cousin and tells him he let his cousin die. Mike is off the hook. Greengrass has a go at running a taxi business - but it doesn't prove profitable. Greengrass also informs the press about the death in custody, which could have put Mike in

Very much to Blaketon's surprise some old Commando veterans arrives at Aidensfield Arms to salute Ventress, but a son to a fallen hero joins the party. An inventor who wants peace and quiet complains to the police of noise from the pub, and Greengrass most unwillingly experiences an alternative 'fishing method'.

Sgt. Merton, freshly demoted from CID, arrives at the police station to take on the new roll as Sergeant. When Ventress brings a disqualified driver in, Alf is threatned if he takes the further, the driver will reveal his past. Oscar presuades Alf to come clean, and Merton is understanding. The driver is later arrested on a drugs case. David attempts to get fit at a gymn, but things don't go too smoothly.

Ventress fears for his job and his sanity when Blaketon sees a man whom they certified dead fifteen years previously. Meanwhile, the villagers are sceptical when Vernon finds gainful employment

Meanwhile Mike is worried about Tricia as she returns to work, but she is determined that she is ok.

Mike takes on his first big CID job after getting a tip-off. Vernon persuades Dr Merrick that the surgery needs a face-lift.

The village is horrified when it seems there is a sniper on the loose, and Bellamy rethinks his priorities after a near miss with a bullet. DI Shiner makes Mike an offer it would be hard to refuse.

Police hunting down a bogus water board official find themselves investigating a suspicious death. Blaketon seeks to rectify a miscarriage of justice by reinstating a pre-war darts tournament.

A recently widowed woman arrives in Aidensfield wanting to bury her late husband in the family grave, but the dead man's brother refuses to co-operate because of an old feud. Vernon and David pay a visit, hoping to persuade him otherwise - only to find themselves held at gunpoint - and when it emerges the coffin is full of money and the deceased is alive and well, a shocking case of fraud is uncovered. Meanwhile, Oscar is among the locals under suspicion when a widely disliked, hardened criminal returns to the village - and soon ends up murdered.

Merton has to call in CID when a farmer's body is found tangled in a fence, in suspicious circumstances. Vernon revives an old dance to impress the taxi licensing committee, but he crosses Blaketon in the process.

A new doctor arrives in Aidensfield, and Merton is put under pressure when Jenny becomes convinced that he is having an affair.

Walker is forced to confront his past when he undertakes his own unofficial investigation into a series of violent robberies around Aidensfield. Helen has to come to terms with the fact that her marriage is probably over when Matthew's mistress appears in the village, and David finds himself involved in some shady behaviour.

A runaway heiress accompanies her crooked boyfriend on a series of armed robberies. But when they get into trouble they kidnap Helen, who attempts to persuade the teenager to ditch her partner in crime. Meanwhile, Peggy suggests David should take over the funeral parlour while Bernie is away.