Henry Stanfield is the new Truth Commissioner in Northern Ireland. Part of his job is to facilitate the peaceful sharing of power in Belfast. However, the investigation into the murder of a teenage boy, who acted as an informer, brings to light more buried secrets than either London or Dublin want to become known, and various people, both at home in Ireland and as far away as America, find out that old sins cast long shadows.

A married couple's relationship begins to fall apart as their 10th wedding anniversary approaches.