Jim receives a taste of his own medicine in a prison cell of his own... How will he get out of this situation!? On G-Wing, Governor Neil Grayling starts to make changes and announces that he will take full responsibility for the wing. Two newcomers arrive - Janine is furious with her partner-in-crime Arun for confessing to their credit card scam. Tina O'Kane hates her new freedom and tries her best to get back inside... but will she end up on G-wing or on another wing? Bev and Phyl plan to teach Bodybag a lesson. Top Dog Natalie Buxton is rubbing up her fellow inmates the wrong way.

Jim uses all his manipulative skills to get himself out of jail, but will Di realsie he is using her? Everyone on G-Wing is up in arms about the extortion racket Natalie Buxton and her sidekick Darlene Cake are running. Jim blackmails Neil Grayling into giving him the Wing Governor's job, and starts by sacking the two Julies from the kitchen. Phyl and Bev jump at the chance to replace them, but they're unprepared for all the hard work. Sylvia is sure that she has a mysterious illness - Dr Nicholson is unterested until a letter arrives for Sylvia...!

Jim is desperately trying to avoid sex with Di - but how long can he hold her off and what lengths will he go to not to have children?! Natalie Buxton seems to have everyone at Larkhall in her debt, she has even scored a cushy job in the library - the perfect place to attend to Jim's needs. She is far from discreet though, which infuriates Di! The two Julies get permission to open the G-Wing hair and beauty salon but aren't very optimistic about the idea. Naive Arun walks into a violent trap set by Natalie and Janine. Dr Nicholson is still fawning over Sylvia Hollamby.

***Spoiler*** The press are swarming outside the gates of Larkhall, awaiting the arrival of Laura Canning, an 18-year-old convicted of stabbing her mother to death. Natalie and Darlene demand some beauty treatment - but the two Julies get their own back. Phyl and Bev have a scam going with the bakery delivery man. Malcolm proposes to Sylvia - who is ecstatic, little realising that it's her cash he's after.

Arun has a dark secret she is desperate to keep under wraps. The Costa Cons' buns and booze scam is about to be exposed. An elderly nun arrives at Larkhall and gets thumped by Natalie Buxton - but Sister Thomas seems to win the other girls round with her plans to help children in Africa. A codicil in Sylvia's aunt's will bars her from marrying if she is to inherit the house.

New inmate Pat Kerrigan arrives at Larkhall, and is desperate to make sure that the Sister Thomas gets all thats coming to her... and Pat isn't exactly keen on bully-babe Natalie Buxton... Could this be the fall of one of Larkhall's evilist Top Dogs? Sylvia and Malcolm are tying the knot... Malcolm's already splashed out on the Wedding and Honeymoon... little does he know that Sylvia is now peniless, due to a bizare twist in her Aunt's will saying Sylvia will only inherit money if she stays single.

Everyone knows that Arun is a transexual, and the knives of G-Wing are out together. And when Arun's thoughts turn suicidal, will there be a saviour for her? New officer Kevin is determined to make a good impression with Inmates and Officers alike, but when there's a case of ""Them and Us"" how will he handle it? Pat's attempted murder charge is taken with a pinch of salt by Neil when Pat tells him that a Vicar assaulted her while Sister Thomas watched. Di can't believe her bad luck when she finds out Jim has a low sperm count. When a new inmate, Sheena arrives, Di goes in to proceedings with her to adopt her child who would've been in care.

Arun’s transfer is halted after Pat and Natalie’s fight. Tina uncovers Phyl and Bev’s scheme, while Di’s marriage collapses and Fenner is furious she’s taken baby Dylan despite having no idea how to care for him.

Jim ends his marriage to Di after discovering her lies. Bev saves Phyl from sleazy delivery man Frank’s attempted assault, and the two seize a chance at freedom by hijacking his van and kidnapping Tina, who saw the attack. In Spain, they catch Malcolm about to inject Sylvia with poison, and Phyl shoots him dead.

It looks like Fenner is about to get his comeuppance. He's the only PO present in the hanging cell when the girls of G-Wing go to lay flowers in memory of Yvonne – will a prisoner or a fellow screw get their revenge on evil Fenner? Bev returns to Larkhall and is attacked by Natalie, while Phyl remains on the run.

The atmosphere at Larkhall is euphoric – Jim Fenner (Jack Ellis) is dead! He was brutally killed in the hanging cell – and his wife Di (Tracey Wilkinson) is the first to discover his bloody body. It is not long before two earnest detectives are at the scene of the crime, DS Hook (Lucy O’Connell) and DI Hayes (Tony Slattery). They will leave no stone unturned until they find the murderer within the walls of this prison. Soon all the fingers are pointing to his wife Di Barker (Tracey Wilkinson), as it seems she has the most obvious motive and has been caught red handed with some damning evidence. But when all the inmates suddenly step forward and confess to being the murderer, the detectives become confused. Who did kill Jim Fenner? Sheena (Laura Rogers) is due to be let out on an electronic tag – but her freedom has lost some of its buzz now she has fallen for Pat Kerrigan (Liz May Brice). The attraction is mutual but Pat is scared of being hurt and pushing Sheena away. How can she fall

Di (Tracey Wilkinson) has been accused of murdering Jim Fenner (Jack Ellis) and no one believes she is innocent. Di soon finds herself on the wrong side of the bars at Larkhall. How can she survive amongst the women she used to reign over? Her former colleague Sylvia Hollamby (Helen Fraser) is unsure of how to react when Di arrives at the prison, she wants to be her friend but is not totally convinced of her innocence. Meanwhile, Natalie Buxton (Dannielle Brent) is excited, it’s her long awaited day out on release and Kevin Spiers (Andrew Scarborough) has the honour of escorting her. Smug Natalie thinks she’s got an escape all worked out, especially as her guard is the dishy Kevin Spiers. But Kevin isn’t an idiot and Natalie is going to have to come up with something very special to pull the wool over his eyes. Kevin is a game player, has she met her match? Julie J (Kika Mirylees) is still determined to plead guilty for murdering Jim – he got what he deserved. But her friend Julie S (V

A storm cuts the prison off. The two Julies are re-united and a mystery prisoner is left at reception without any papers to identify her or her crimes.