Jack Ryan, as a young covert C.I.A. analyst, uncovers a Russian plot to crash the U.S. economy with a terrorist attack.

A squad of U.S. Marines becomes the last line of defense against a global invasion.

An expert marksman living in exile, is coaxed back into action after learning of a plot to kill the president. Now on the run after being double crossed for the assasination attempt he was trying to prevent, he sets out for the real killer, and the truth.