Following the end of the First World War, Eneas McNulty joins the British-led Royal Irish Constabulary. With all those around him becoming soldiers of a different kind, however, it proves to be the defining decision of his life when, having witnessed the murder of a fellow RIC policeman, he is wrongly accused of identifying the executioners. With a sentence of death passed over him he is forced to flee Sligo, his friends, family and beloved girl, Viv.