Every episode from the hard-hitting ITV drama series depicting the trials and triumphs of prison inmates and officers in the notorious women's prison of HMP Larkhall. The initial inhabitants of Larkhall's 'G' Wing, overseen by Wing Governor Helen Stewart (Simone Lahbib), include Nikki Wade (Mandana Jones), a woman serving time for murdering a policeman who assaulted her girlfriend. The unusual relationship that develops between Helen and Nikki highlights the complexities of prison life and the unique and intense environment of Larkhall.