"The United States of America is rocked by a shocking terrorist attack. The perpetrators appear to be domestic terrorists. But as a joint Department of Homeland Security and CIA task force digs deeper, a much more sinister picture emerges. Further strikes at the heart of America's democracy are planned, which will have far reaching geopolitical ramifications. Can Marie DeClerq, Dan Hatcher and Mark Jennings, by unleashing the full might of their respective agencies, hunt down and stop their adversaries in time?"