Another inmate, Towler (Colin Salmon), sells drugs within the prison. He uncovers Rachel and Philip's relationship and uses his associate Kenny (Mark Strong) to intimidate her into smuggling a gun into the prison.
Another prisoner, Towler (Colin Salmon), engages in illicit trade within the facility, discovers Rachel and Philip's romantic connection, and employs his accomplice Kenny (Mark Strong) to coerce her into smuggling a firearm into the prison.