A trail of high-profile sniper victims across Northern Ireland. Rising tension over the US president's imminent visit. And the on-going bloody conflict driven by republican terrorists. Ex-CIA war crimes investigator Joe Johnson quickly realizes there's much more to it after he's called to Belfast by a man who claims to be worried about the impact on his business of a long series of terrorist bombs and shootings. The sniper's body count rises, but with his motive remaining a mystery, fears mount as the president and UK prime minister's visit for a G8 world summit draws nearer