In the wake of a series of murders involving covert intelligence informers, Delta Force Lieutenant Colonel Charley Castillo wonders about vague similarities between the killings and a recent case involving a pair of CIA traitors

Pete Garrison is on the presidential protection detail when another Secret Service agent is murdered. An informer tells Garrison about an elaborate assassination conspiracy that is related to this murder and is well underway. Garrison also happens to be having an affair with the First Lady, the stress of which causes him to flunk a lie detector test when word of the plot to kill the president becomes more than just paranoia. Garrison is soon on the...