Humbert Humbert, a divorced British professor of French literature, travels to small-town America for a teaching position. He allows himself to be swept into a relationship with Charlotte Haze, his widowed and sexually famished landlady, whom he marries in order that he might gain access to her fourteen-year-old daughter—Lolita—with whom he has fallen hopelessly in love, but whose affections shall be appropriated by a devious trickster named Clare Quilty.
Madison Avenue advertising man Roger Thornhill finds himself thrust into the world of spies when he is mistaken for a man by the name of George Kaplan. Foreign spy Philip Vandamm and his henchman Leonard try to eliminate him but when Thornhill tries to make sense of the case, he is framed for murder. Now on the run from the police, he manages to board the 20th Century Limited bound for Chicago where he meets a beautiful blond, Eve Kendall, who helps him to evade the authorities. His world is turned upside down yet again when he learns that Eve isn't the innocent bystander he thought she was. Not all is as it seems however, leading to a dramatic rescue and escape at the top of Mt. Rushmore.