As an American in London on vacation with his family, Jack Ryan never imagined his quick thinking would prevent an assassination attempt on Britain's royal family and earn him the gratitude of an entire nation--and the scorn of an ultra-left-wing faction of the IRA. Irish terrorist Sean Miller and his followers in the Ulster Liberation Army intend to make sure Ryan pays for his interference in blood. But he's not the only one they're after... With...

CIA analyst Jack Ryan, tries to figure out if Russian submarine captain, Marko Ramius, is planning to attack the U.S. coast or planning to defect.