Zandra gives birth and battles with her addiction, putting her future with her baby at risk, she climbs on to the roof in protest. Fenner gets his feet under the table as Wing Governor only for Helen to return and cut his reign short. Shell continues to torment Fenner's wife and has a mobile phone smuggled into the prison.
Nikki's temper gets the better of her ahich results in being shipped out and the end of her relationship with Helen. Shell provides Marilyn with the proof of Fenner's infidelity but it backfires when Fenner realises Nikki is innocent.
Julie J gets news that her children will be in England for their grandfathers funeral and Yvonne helps her to see them. New officer, Di Barker, arrives to replace Fenner. Karen becomes the new Wing Governor. Fenner plots to get his job back. Sylvia gets her comeuppance when she is confronted by the inmates.
Karen reprimands Sylvia for her recent bad attitude and signs her up for physical training. Zandra discovers she needs glasses. Shell acts up during group therapy causing unrest throughout the entire wing. Josh makes Crystal an offer.
Renee makes enemies of many of the G Wing inmates. Nikki's appeal process reveals new information. Helen begins the lifers group sessions. Fenner is more interested in drinking than working. Denny and Shaz cause trouble for Silvia.
Helen challenges Shaz to meet with the family of one of her victims after she continues to show a lack of remorse for her crimes. Nikki remains jealous over Helen's "date" with Dom. Fenner returns to work with a blasé attitude.
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.