Two new prisoners, Karen Travers and Lyn Warner, are inducted into Wentworth Detention Centre and have to adjust to the harsh regime and the tough women they meet there. Karen, convicted of stabbing her cheating husband to death in the shower, turns out to be an old flame of prison Doctor Greg Miller. Lynn has been convicted of kidnapping and burying a baby alive, and though she loudly protests her innocence, she is bullied by the other women, led by their 'Top Dog', murderess Bea Smith. Meanwhile, young inmate Sally Lee hangs herself in her cell while going through ...