There's a no-nonsense new Inspector walking the corridors of Sun Hill, and it seems she's got it in for Sergeant Ackland!

A familliar face rejoins the relief, much to Gilmore's disapproval. June gains the upper hand against Inspector Gold with Chandler's backing; a loved-up Gary comes un-stuck.

When stolen cheques turn up on the streets of Sun Hill, the police target a known fraudster. On visiting his home, his ex-wife claims her husband has left and that she is living with a new man. PC Rickman is caught out while off-duty when she takes an ecstasy tablet while clubbing, only to be called to a crisis. Meadows and Webb uncover Chandler's lies, while McAllister has Chandler where she wants him.

Polly and Dave pose as a married couple running a hotel, hoping to trap Berisha who imports illegal immigrants. Jim and Reg are chef and waiter respectively whilst immigration agent Petit helps out in the kitchen.

PC Bradford investigates a locker theft and steroids at a gym, whilst PC Quinnan's work at the Day Centre with Liz Terry drives them closer together.

PC Cathy Bradford arrives at Sun Hill and paired with PC Hollis to investigate vandalism at a church, but she has a run-in with PC Quinnan.

Sun Hill search for a missing girl with Downs syndrome. However, matters are complicated when it transpires that she's pregnant.

As CID withhold information from uniform, PC's Taviner and Klein do some unauthorized undercover work in search of Special Constable Knowles's killer.

Emotions run high at the funeral of Special Constable Knowles, whilst a major manhunt is launched to find his killer.

Just as Sergeant Gilmore becomes unimpressed with his officers, PC's Taviner and Hollis decide to bunk off to Southend to see Reg's girlfriend. Elsewhere, PC Klein and Special Constable Knowles investigate the theft of an elderly lady.