Raymond Lohan wearily follows his normal routine: an ordinary man doing the job of a prison officer in the Maze Prison in Northern Ireland, 1981. Working within one of the infamous H-Blocks, where republican prisoners are on the Blanket and No-Wash protest, is a living hell for both prisoner and prison officer.
A young, new prisoner Davey Gillen is brought into this environment for the first time. Although terrified, Davey resolutely refuses to wear the prison uniform – he is no common criminal. So joining the Blanket protest, he shares a filthy cell with another ‘non-conforming’ republican prisoner Gerry Campbell. Gerry, hardened to the horrific realities of Maze life, guides Davey through the daily routine, he trains him how to smuggle items and exchange ‘comms’ (communications)