With the world poised on the brink of nuclear war, Ryan and his FBI counterpart, Dan Murray, seek a solution before the chiefs of state lose control of themselves and the world.

Newly elected President Jack Ryan is disturbed by the attempted assassination of Russia's intelligence agency chairman, and as antiterrorism specialist John Clark and others go to Moscow to investigate, danger to the entire world takes shape in China.

Armed men prepare to take the fight to the enemy after three American officials are killed by Colombian drug lords to make their message clear: Leave us alone.

Coming out of retirement to run for president, Jack Ryan finds himself in the middle of a high-stakes attack from his opponent as his close comrade, John Clark, is the subject of treacherous charges, at the same time Jack Ryan, Jr. and other members of Campus struggle to stop terrorists.