World without end, amen

"Dermot Davey ... is a twenty-nine-year-old New York City cop who is in trouble ... He's a lousy husband and a lousy father, and he's apt to forget what happens when he drinks, which is often, so he's a pretty lousy cop. The Department officials often consider him too unstable to carry a gun ... The hop to Northern Ireland isn't much of an escape, but it's an out that Dermot grabs. Of course he has to visit relatives ... most expecially the father he hasn't seen in more than twenty years. In the embattled alleyways and barricaded pubs of Ulster, Dermot ... [learns] about the devils in himse...