On the run, Shell and Denny decide to pay the Hollambys a surprise visit. Back at Larkhall, Fenner continues to cover his tracks as the investigation into the escape gets underway.
Nikki prepares for her appeal alone when Helen decides to resign from Larkhall. Crystal shares some news. Yvonne and Virginia agree to turn the tables on Fenner.
Josh calls it quits with Crystal and leaves Larkhall. The girls have a "leaving" party for Zandra. Shell steals Barbara's diary. New arrival Shaz causes a stir.
Nikki and the prison nurse make a deal. Yvonne's husband fails to show for their inter-prison visit. Crystal's release day finally arrives. Silvia celebrates her 30th wedding anniversary with a party in the mess hall.
Helen battles with her emotions and leaves Sean. Monica attempts suicide the day before her appeal. Shell attempts to blackmail Fenner and sends a letter to his wife. New inmate, Yvonne Atkins, gains a strong following from the women.
Yvonne corrals the girls into joining her new money-making scheme: the "Babes Behind Bars" phone sex hot line. Zandra's medical test results are revealed. Shell's mum comes to visit.
Helen is still reeling from her sexual assault. A reality TV crew arrives at Larkhall to document life on G Wing. Fenner concocts an escape plan for Shell.
Shell has nobody to turn to when she is removed from enhanced. Monica's world falls apart when she gets tragic news about Spencer. Helen struggles to cope and falls into the arms of Nikki.
New prisoners arrive at Larkhall. Fenner connives to arrange for Yvonne to have conjugal visits in return for cash. The inmate group therapy sessions finally begin.