D.C.I. Reid's influence in high places suddenly makes D.I. Burnside look vulnerable to criticism. CID investigate an armed robbery.

P.C. Quinnan is the subject of a civil complaint. P.C.s Stamp and Stringer follow up on a fire at a home for ex-psychiatric patients, but find little care in the community.

D.C. Lines investigates a mugging, and tries to get the victim charged with the murder of his assailant.

D.C. Lines is enjoying an off-duty pint in his local pub and becomes involved in a bar brawl.

D.C. Lines investigates when a cellarful of illegal immigrants is discovered. He enlists the help of Sgt. Boyden, who takes a fancy to one of the females. Lines warns him off.

P.C. Quinnan investigates the illegal sale of steroids. P.C. Garfield is put on the spot when his old sparring partner is arrested.

D.I. Burnside's unorthodox policing methods, which include flushing an informant's head down a toilet, set him on a collision course with D.C.I. Reid, who has already received several complaints about Sun Hill officers. Reid fears the worst when she is called in to Scotland Yard for an urgent meeting with MS15.

A girl is seriously injured in a joyriding incident. Ch. Supt. Brownlow must decide whether he is prepared to risk a riot by sending officers into an estate to round up the culprits.

A student nurse is sexually assaulted. D.I. Burnside arrests the obvious suspect, but he escapes from police custody.

Sgt. Cryer is finding being non-operational tedious. He goes undercover as a punter in a brothel, but his presence on the operation antagonises Sgt. Peters. Cryer goes to sees Ch. Supt. Brownlow about giving up his job as duty sergeant and going back to the relief.

D.S. Greig is led to a vice ring when searching for a missing thirteen-year-old boy. D.C. Dashwood and W.P.C. Ackland are brought into an operation against ponces running rent boys.

P.C. Stringer tries to stop some children from playing 'chicken' on the railway line, but one of them is run down by a train. Sgt. Peters transfers upstairs to the post of duty sergeant, swapping roles with Bob Cryer, who returns to the relief.

Acting D.I. Greig tries to recruit a hardened female thief as a snout, but finds her more than a match for him. D.C.I. Reid is promoted out of Sun Hill to MS15.

Investigating an apparent accident in which a man's hand is crushed in a car-breaker's yard, Sgt. Maitland uncovers years of animosity, neglect and revenge.

A tramp is attacked, leading the police into a web of crime.

Thinking of leaving the force, D.C. Dashwood is tempted by a lucrative business opportunity with a firm of security consultants.

A man convicted of strangling his wife has been released on licence, but the probation service fails to notify Sun Hill. His presence comes to light when his son causes a disturbance.

The community police station run by P.C. Smollett is fire-bombed. The area car is stolen from P.C. Loxton and W.P.C. Datta, and it is written off in an RTA.

D.I. Burnside leads an investigation into the firebombing of the community police station.

D.C. Carver and W.D.C. Martella have a car thief under observation, and see him shot as he gets into a car. The Anti-Terrorist Squad is called in, and the IRA is suspected.

D.S. Roach ignores the Anti-Terrorist Squad, and investigates a possible IRA cell.

A small boy known for lying claims to have been the subject of an attempted abduction in an adventure playground.

A routine trip to a magistrate for a warrant turns into a nightmare for D.C. Dashwood when he is taken prisoner by two hooded burglars.

Jack Meadows arrives to take charge of Sun Hill CID. He becomes involved with a father suspected of murdering his drug addict son.

A woman who collapsed at an airport is found to be a mule, smuggling drugs in her stomach. D.I. Burnside, with only limited time to mount an operation, gets W.P.C. French to take the courier's place in an attempt to uncover the dealer.

P.C. Smollett tries to offer a follow-up service to victims of crime. A woman whose husband is in prison, and who runs a guesthouse, keeps reporting an intruder on the premises. Smollett gives her support, but P.C. Garfield thinks he is wasting his time.

D.S. Greig arrests a suspect for an armed robbery, but is proved wrong.

A lorry overturns and sheds its load outside a school, burying a boy and girl and putting P.C. Loxton to the test.

W.D.C. Martella celebrates her birthday. D.I. Burnside and D.S. Roach go to a party attended by a crooked businessman, who makes Burnside an offer he can't refuse.

W.P.C. Marshall becomes a vital witness in a murder trial, and soon realises that someone is trying to intimidate her.