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.

Governor Joy Masterton is disgusted when her new deputy, Lou Stoke, turns up for her first day at Larkhall reeking of booze and the worse for wear. A new inmate arrives - Emira Al Jahani, the wife of a suspected terrorist bomber. The girls treat her with contempt, but Natalie discovers that she's a chemistry student and has soon bullied her into constructing a drugs laboratory. The others jump to the conclusion that Emira is planning a chemical attack and panic ensues.