<p>It is 1973. Brian, an IRA sniper is making good his escape after having completed his last hit. He's had enough of the violence associated with the Northern Irish Troubles and throws his rifle, which he has always carried in a golf bag, into the sea. The story, based in Suffolk, follows the reformed sniper in search of peace and quiet and DCI Cartwright in search of Brian. The complex plot unfolds when a local fisherman trawls up the golf bag....