Famous new inmate, entrepreneur and interior design goddess Catherine Earlham decides to make Darlene a pawn in her twisted and dangerous game. Sylvia becomes acting G-Wing Governor, while Janine discovers she is pregnant but has to fool Joy into believing that her boyfriend "Michael" is responsible.

Lou is glowing after a surprise marriage proposal from Rowan. She's totally unaware that he has no intention of divorcing his wife, or that he is supplying her sister with drugs. Janine goes on a day visit to her mother's grave with Donny, and the two get intimate and Janine attempts to free herself from Larkhall. Lou is sacked from Larkhall when she attacks Rowan.

Tina is returned to Larkhall and almost kills herself when she self harms. Vicky becomes a Music teacher at Larkhall. Pat and the Julies are sweating over what to do with Natalie's dead body. They know they have to move it - a hot laundry is no place to hide a festering corpse.

Tina's in court and hoping for an extended sentence. But when the Judge grants her release, she panics - she has absolutely no idea how to live on the outside. The Julies find Natalie and help Pat to hide her body.

Lou and Vicky fall out following Vicky's suicide bid. It's the day of David and Fidelity's wedding and Pat's plan to get rid of Natalie backfires dramatically. As a massive fight ensues, it quickly becomes clear that there's a bitter and bloody end in store for one of them. 

Julie S gets good news from her son. It gets steamy between Janine and Donny when they use an "appointment" to get to know each other a little more intimately. Will they manage to keep their romance under wraps? Items from the Four Bed Dorm are missing and Stella is the main suspect.

Joy is delighted when inmate Stella Gough decides that she wants to join the army. However, is Stella being completely honest about why she wants to join up? Janine starts using drugs and falls for Donny. Lou finds her sister, Vicky, in a strip club and a catfight erupts.

New arrival Angela Robbins has been sent down for arson and attempted murder. She looks like she wouldn't say boo to a goose, but she is hiding a disturbing secret that is about to be revealed. Rowan and Lou grow closer and end up having sex. Also, Emira is freed from Larkhall after it is revealed that her husband, Hassan, was the real terrorist.

Donny Kimber and Lou escort Janine to her mother's funeral, unaware that Natalie has blackmailed their grieving charge into smuggling drugs back into Larkhall. New SMO Rowan Dunlop, records all his work with his patients and falls for Lou.

New Deputy Governor Lou Stoke has her work cut out on her first day at Larkhall when a sudden illness starts striking down the inmates. As rumours of a chemical attack start to spread, panic sets in, and all fingers point to new inmate Emira Al Jahani who is sent to Larkhall on suspicion of terrorism.