Marty McFly, a typical American teenager of the Eighties, is accidentally sent back to 1955 in a plutonium-powered DeLorean "time machine" invented by a slightly mad scientist. During his often hysterical, always amazing trip back in time, Marty must make certain his teenage parents-to-be meet and fall in love - so he can get back to the future.
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.
Travis Bickle is an ex-Marine and Vietnam War veteran living in New York City. As he suffers from insomnia, he spends his time working as a taxi driver at night, watching porn movies at seedy cinemas during the day, or thinking about how the world, New York in particular, has deteriorated into a cesspool. He's a loner who has strong opinions about what is right and wrong with mankind. For him, the one bright spot in New York humanity is Betsy, a worker on the presidential nomination campaign of Senator Charles Palantine. He becomes obsessed with her. After an incident with her, he believes he has to do whatever he needs to make the world a better place in his opinion. One of his priorities is to be the savior for Iris, a twelve-year-old runaway and prostitute who he believes wants out of the profession and under the thumb of her pimp and lover Matthew.
Due to his knowledge of the native Bedouin tribes, British Lieutenant TE. Lawrence is sent to Arabia to find Prince Faisal and serve as a liaison between the Arabs and the British in their fight against the Turks. With the aid of native Sherif Ali, Lawrence rebels against the orders of his superior officer and strikes out on a daring camel journey across the harsh desert to attack a well-guarded Turkish port.
John "Scottie" Ferguson is a retired San Francisco police detective who suffers from acrophobia and Madeleine is the lady who leads him to high places. A wealthy shipbuilder who is an acquaintance from college days approaches Scottie and asks him to follow his beautiful wife, Madeleine. He fears she is going insane, maybe even contemplating suicide, he believes she is possessed by a dead ancestor. Scottie is skeptical, but agrees after he sees the beautiful Madeleine.