3/4. Tom and Niamh launch a manhunt for Adam Corry, who has disappeared in mysterious circumstances. Tori Matthews agrees to help Tom in the quest to identify Goliath. Also in HD. [S,AD]
2/4. Tom continues to search for Pat Keenan's kidnapper, hoping they will lead him to Goliath. But is somebody leading him down a false trail? Also in HD. [S,AD]
1/4. When a former IRA man is abducted, DCI Tom Brannick is forced to confront an assassin who haunts his past, in order to crack the investigation in the present. Also in HD. [S,AD]