Bob puts his reputation on the line when he takes the lead in solving the case of a missing teenager.

DS Singh investigates a stabbing, DS McAllister has an Operation go wrong. A legal representative involved later provides DS McAllister information that he gave a suspect a story to provide an alibi for a suspect in the stabbing.

DC Riley becomes hot under the collar when his brother's latest business scam gets a little too close to a major CID investigation.

When the wife of a DS tries to jump off a bridge, Di Worrell steps in to uncover she is a victim of domestic violence but why is everyone so quick to blame the wife?

Russian prostitutes, a gang of squaddies and his own previous mistakes lead Smith into hot water. If he is unable to clear his name, his career will hang in the balance.

PC Smith, a man with a homophobic cloud, 'babysits' a victim of gay-bashing with PC Klein as he reluctantly testifies against his assailants.

McAllister's bulldozer approach gets her into trouble with Ackland over a sensitive case. Chandler comes under pressure to clean up the Larkmead.

Chandler continues to throw words around everywhere, but nobody, bar Reg, is quite sure how much to believe in them.

Paul's brother is back on the scene when he is deeply involved in a war of the hot dogs which breaks out on the patch.

Ross begins to suspect that he is being taken for a ride by McAllister, so when Riley threatens to uncover her she plays her trump card.

When a high profile man is caught in a well-known gay cruising area, Mickey and Duncan discover there is a lot more to things than meet the eye.

DCs Spears and Webb clash in their investigations of a domestic violence case and a series of truck hijackings.

The stress of being torn between two women has taken its toll on Quinnan and the cracks start to show when he loses control with a suspect.

It's decision time for Quinnan when Jenny announces she's leaving, but the past is catching up with him - and his future with Page seems in doubt.

Quinnan is accused of attacking a young criminal and of endangering his colleagues - is he out of control.

Sun Hill is forced to accept the legacy of DS Beech, and Meadows discovers that he is not the only one with a questionable past.

Cullen warns Meadows that he is playing with fire when Chandler's past is called into question. But who will get their fingers burnt?

Jim puts his personal bad experiences to good use to help an alcoholic friend who he thinks may not be guilty, but McAllister's selfish blinkered hunger for a result at any cost destroys everything.

Clarke is enjoying a secondment as Glaze's partner, but has to learn when to leave it to the big guys. When there is trouble at the rugby club, Conway discovers that his friends are not quite what they seem.

Smithy has his eye on the future, but his big mouth may well prove to be his downfall.

Klein's relationship with the relief hits the rocks. Smith's future with the Met hangs in the balance.

Approaching 30 years of service, senior officers question Sgt Cryer's ability to carry out his duty.

Sgt. Cryer is under pressure from Supt. Chandler when his strategy to deal with prostitution backfires.

Family problems come to visit Nick Klein at the worst possible time, when he is already at his lowest ebb at work.

An angry divorcée uses extreme measures to ensure he has access to his son.

The new sergeant ruffles the feathers of the relief who are already not feeling good after the enforced retirement of Bob Cryer. But there may be more facets to him than just strict and gay.

Duncan is seconded to the Serious Crime Group, where he is reunited with former Sun Hill colleague, DC, now acting DI Liz Rawton. But do the old friends still share the same attitudes to the job now they've moved so far apart?

Matthew and Vicky take a group of troubled kids on an outdoor pursuits weekend, but both are feeling grouchy - Vicky because of men, and Matt because of turning 40. But this could lead to surprising bonds.

Hayward and Stamp get themselves in trouble with Gilmore after a close shave with a gunman, but Stamp has other things on his mind - a hot date.

Cryer is reluctant to attend his retirement bash - but there's a surprise all round when he invites a mystery guest.

Hagen makes a career-changing decision, while Boyden stands helpless on the sidelines.

McAllister is faced with some big decisions when her ex-snout, Ross, turns up at Sun Hill offering his services. But while she falls into his arms, has she fallen for more than his charms.

In the search of a rapist, new area driver PC Des Taviner is at loggerheads with colleagues over his tactics and demeanor.

Sun Hill continue their search for the Jasmine Allen rapist.

Glaze's loyalties are put to the test when a friend is arrested for racial assault. And McAllister's commitment to the case is called into question.

A ten-year-old boy is determined to get himself arrested, and Boyden wants to know why. Hagen has problems of her own when a woman from Boyden's past turns up to investigate a blackmail case.

PC Quinnan returns to work after time off with mental illness. He faces distrust from his colleagues, including former love interest PC Page, when on his first call he witnesses a murder but the body disappears.

Two CID officers investigate car-ringing gangsters, but from opposite ends.

Continuing his role undercover with car-ringing criminals, DS Singh's position is jeopardized by an increasingly unreliable informant.

DI Cullen is focused on a villain he's been after for years.

Hollis falls under deeper suspicion in relation to an elderly woman's death, his royal protection application falls by the wayside - as do many of the relief.

CID continue their search for a gunman on the loose.

A victim of a minor car accident involving a drunk pro-police judge threatens to sue the Met for being biased.

Uniform target graffiti artists.

A tired and desperate PC Clarke seeks overtime work and gets herself into trouble.

An investigation into stolen plant equipment is compromised by Clarke as she's pressured with debt.

Sun Hill is rampant with rollerblading thieves, whilst a distraught Clarke continues to be haunted by her debts.

Sun Hill deal with an overdosed kid, whilst Clarke's feeling downhearted after being refused a police loan.

PC Hayward becomes emotionally involved with a drugs case.

In the continuing battle against drugs, PC Hayward encounters double-crossing and cover-ups with friends and colleagues.

The unconventional methods of undercover DC Raven don't coincide with an unstable PC Hayward.

DC Spears is given a project to combat on-going vandalism of CCTV cameras.

Carver is adamant that a man's death wasn't accidental and investigates.

Sun Hill infiltrates a bunch of football hooligans.

As the undercover operation continues, DC Webb becomes endangered when his colleagues' covers are slipping.

DC Webb continues his role in the undercover operation, which complicates things with his colleagues.

As DC Webb's cover is blown, Sun Hill commit to arrest the remaining leaders of football hooligans.

A criminal returns, who's also PC Rickman's love interest.

Despite her colleagues' suspicions, PC Rickman isn't convinced that her lover is guilty of several crimes.

PC Harker sets out to resolve Rickman's love life by helping her lover, a suspect in a murder investigation.

DC Spears is lusted over as she investigates a gang of masked girls rampant at Sun Hill.

As DC Spears follows a spate of burglaries and arsons, Chandler becomes increasingly lustful towards her.

Boyden is once again in turmoil over his daughter.

In risking his job and love life, Boyden continues to help his debt-ridden daughter.

Sun Hill find themselves juggling with Boyden's granddaughter as they try to locate a debt-ridden Amy, whom has fled and is in danger from drug dealers.

As Boyden cracks down on an illegal bare-knuckle fight, Vicky attempts to heal the rift between them.

Sun Hill raid suspected cross-dress bashers, but Boyden finds himself depending on his jilted lover after failing to caution a man properly.

Sun Hill investigate attacks on pensioners, but Hagen troubles her colleagues and herself as she deals with her split from Boyden.

A determined Hagen investigates the man of her ill-fated one-night stand.

A notorious armed robber reappears in Sun Hill to make an deal with DCI Meadows.

On a week's secondment with Scotland Yard's Art and Antiques Squad, DC Lennox investigates forged paintings.

DS McAllister is determined to catch her lover's murderer, so DC Spears goes undercover in an attempt to entrap their suspect - a drug baron.

As the search continues for a serial rapist, a prize holiday won by Sun Hill turns into a nightmare for Kate Spears.

Kate is traumatized after her ordeal with DS Cork and is horrified when a girl turns up dead.

DC Spears attempts to gather information on her attacker, whom she strongly suspects to be the sought-after perpetrator in the rape/murder investigation.

A concerned DC Spears searches for Eddie, whilst Acting DI Rawton propounds that officers act as bait to catch their perpetrator.

Having broke into her home, DC Spears resolves to watch DS Cork's every move. Elsewhere, PC Klein finds himself being blackmailed into providing an alibi.

Together, DC Spears and DI Rawton close in on the evasive and dangerous rapist.

PC Page investigates the disappearance of an ex-con's wife.

Two feuding families cause disruption, whilst Des and Reg accompany new arrival Special Constable Knowles.

Their feud steps up a gear as Sgt Gilmore removes PC Taviner from his driving duties. Meanwhile, with the assistance of Special Constable Knowles, Polly Page investigates a missing prized pedigree.

Special Constable Knowles discovers there's a sex offender living opposite his sister, but is torn between professionalism and the well-being of his family.