Three women are pulled into each other's orbit when they arrive at Carlingford prison.

After six months on the outside, Orla finds herself back in Carlingford. Desperate to maintain contact with her kids, she’s willing to risk extreme action. Meanwhile, Abi contemplates revenge, close to breaking point, whilst Marie-Louise encourages her to open up about her past. Reluctant to trust the other inmates, Abi steps up to help when crisis strikes. And Kelsey sets her sights on transferring to the mother and baby unit, making plans for her future in the face of uncertainty, as her due date draws closer.

Kelsey and Abi bond after the birth of Kelsey's baby; Orla faces the consequences of her actions and suffers a personal loss.

After a rash decision, Kelsey's new-found plans are derailed. Can she find the conviction to break away from the influences of her past?