Finbar Walsh gave up his affair with Catherine Buckley many years before, but instead of putting all of his wrongdoing behind him, and sticking to the vows of the priesthood he begins a shadowy lifestyle on the wrong side of the law. He entered the priesthood to escape this lifestyle and his family, who were deeply entrenched in it, but he finds himself dragged back into it by the threat of blackmail. After many years without any contact, he and Catherine meet again at her 50th birthday party, and feel the familiar pull of love. As they rush outside to reunite, they are unaware that enemies of the Walsh firm are waiting outside. It seems as though after all the years they've been apart, they are about to have their chance of happiness snatched away again, when they are caught up in gangland warfare.
