Mark is being bullied by fellow inmate Johnno. Does he tell the prison officers and be labeled a grass or risk the attacks becoming more and more violent? Eric's son is attacked.
Mark Cobden is sent to prison and has to learn quickly how to survive. When an inmate identifies prison officer Eric McNally's weakness, he faces an impossible choice.
Struggling single mother Orla finds herself in a desperate situation after being sent to Carlingford prison. There, she meets Kelsey, a young heroin addict, and Abi, a tough lifer.
Six months on, Orla finds herself back in prison. Desperate for her kids, how far will she go to take action? Meanwhile, Abi considers revenge, and Kelsey plans for her future.