This series sees the departure of several of its regular cast, including Tristan Sturrock, Philip McGough, Tracey Wilkinson, and Jack Ellis.

The seventh series also sees the introduction of Nicola Stapleton (Janine Nebeski), Rebecca Hazlewood (Arun Palmer), Liz May Brice (Pat Kerrigan), Laura Rogers (Sheena Williams), Andrew Scarborough (Kevin Spiers) and Ellie Haddington (Joy Masterton) respectively.

Meanwhile at Larkhall, It is revealed that Frances Myers has become the new governing governor of Whitehouse Prison; Neil announces that he will be taking on full responsibility of G-wing as they are short staffed and offers Colin the position of senior office in Fenner's absence.

Tina, having been recently released, finds it difficult to adjust to life on the outside, and is upset that Ben was not waiting for her and that she is not pregnant; she makes a desperate attempt to be sent back to Larkhall and successfully gets whats she wants after setting fire to a clothes shop.

Fenner, having revealed to Di that he did, in fact steal Karen's car on the night of the hit-and-run tries to convince her that he loves her and wants to start a family.

Sylvia receives some good news when she discovers that her recently deceased Aunt Margaret has left her a house and a large sum of money which gives Malcolm the perfect opportunity to get his hands on it by proposing to her.

When Sylvia becomes aware that in order to receive the money, she must stay single, she finds it difficult to reveal the news to Malcolm.

When new prisoner, Laura Canning arrives G-wing, she is met with hatred by the other inmates as she has been convicted of stabbing her mother 27 times to death, while the whereabouts of her older sister are unknown.

When new prisoner, Pat Kerrigan, convicted of murdering her abusive boyfriend, arrives at Larkhall, she takes Sister Thomas hostage.

While Pat becomes a hero to the victims who suffered at the hands of Sister Thomas and Father Kelly, she makes several friends when she is met with a warm reception from the other inmates once she has returned from cellular confinement.

While the women continue to bully Arun, Pat threatens Natalie to back off and the pair get into a brutal fight.

Fenner discovers that life behind bars is no picnic for a former PO when he finds himself on the receiving end of some very rough justice from his fellow inmates.

When an elderly nun called Sister Thomas Moore arrives at Larkhall, Natalie takes it upon herself to show her that the habit offers no protection from the evil on G-Wing and beats her up.

New inmate, Miranda Miles, worsens the atmosphere when prison Chaplain, Christy Mackay is convinced she is possessed and pleads with Joy to let her perform an exorcism.