Here is the plot summary for "The Sum of All Fears": When the President of Russia suddenly dies, a man with largely unknown political views takes his place. This unexpected turn of events sparks intense paranoia among American CIA officials, who are already on high alert due to rising tensions between the United States and Russia. CIA Director William Cabot (Morgan Freeman) is tasked with uncovering the truth behind the President's death and preventing a potential nuclear catastrophe. Meanwhile, Jack Ryan (Ben Affleck), a brilliant CIA analyst, uncovers a plot by a group of rogue Russian nationalists to steal a nuclear bomb and use it to destroy Washington D.C. As tensions escalate, Cabot and his team race against time to stop the impending disaster. As Ryan delves deeper into the conspiracy, he discovers that the mastermind behind the plot is a former Soviet submarine commander, whose hatred for America goes back decades. With the clock ticking down and the threat of nuclear annihilation looming large, Ryan must use all his skills and knowledge to prevent the unthinkable from happening. In the end, Ryan's quick thinking and strategic instincts lead him to confront the villain in a thrilling showdown that will leave viewers on the edge of their seats. "The Sum of All Fears" is an action-packed thriller that explores the complexities of international politics and the dangers of nuclear proliferation.