President Francis Xavier Kennedy is elected to office, in large part, thanks to the legacy of his forebears -- good looks, privilege, wealth -- and is the very embodiment of youthful optimism. Too soon, however, he is beaten down by the political process and, disabused of his ideals, he becomes a leader totally unlike what he has been before. When his daughter becomes a pawn in a brutal terrorist plot, Kennedy, who has obsessively kept alive the memory of his uncles' assassinations, activates all his power to retaliate in a series of violent measures. As the explosive events unfold, the world and those closest to him look on with both awe and horror.