Defender of the faith

An IRA family living in rural Armagh, Ireland, in 1986 come apart under the immense strain put on them when an IRA interrogator visits determined to find the informer in their midst. The father, his grown-up son, Thomas, and a long-serving farm hand, Barney, all fall under the suspicion of the menacing JJ from Belfast. The family's isolated farm becomes the setting for the frightening disintegration of the relationship between Thomas and his father as the pressure of the investigation and its results reopen the wounds of the already damaged family.