When the President of Russia suddenly dies, a man whose politics are virtually unknown succeeds him. This change in political leaders sparks paranoia amongst American C.I.A. officials, so C.I.A. Director Bill Cabot (Morgan Freeman) recruits young analyst Jack Ryan (Ben Affleck) to supply insight and advice on the situation. Then the unthinkable happens: a nuclear bomb explodes in a U.S. city, and America is quick to blame the Russians.