CIA analyst Jack Ryan (Affleck) is the only person who realizes that the Baltimore bomb was a black market weapon, not a Russian one. With the clock ticking, Ryan has to find a way to stop the impending nuclear war.
Jack Ryan, a CIA analyst played by Affleck, is the sole individual who understands that the bomb in Baltimore was not made by Russia but rather from the black market.  As time is of the essence, he must devise a plan to avert a nuclear conflict.