Ray, a construction worker trapped in an unhappy marriage, pursues an affair with his neighbor, Carla. Carla's husband, Greg, is a mobster who keeps large sums of drug money in their home. With this in mind, Carla comes up with a plan: She and Ray will steal Greg's money, burn down her house, convince Greg the money was lost in the fire and then run away together. Carla's scheme, however, doesn't go off as planned.
Set in the dark and old Parramatta prison built by the original convicts our lead character Ray a war veteran finds himself serving 18 months for manslaughter after defending his fiance. He soon realizes that the prison boss has it in for him and does everything possible to break Ray even going after his fiance.