A plane is intercepted flying at the Whitehouse. The Vice-President collapses and dies. And a plan is launched to kidnap the First Lady . . .

President Jack Ryan always feared the greatest threat would be to the nation - from Russia, China or an act of international terrorism. Never in his wildest dreams could he imagine it could be so personal - so directed at him.

As the President scrambles to fight back, regain control and save those he loves, the men and women protecting him must work fast to solve three mysteries:

Who has the power to do this?

Why attack the President of the US?

And how can they be found and stopped? . . .