Afflicted with a terminal illness John Bernard Books, the last of the legendary gunfighters, quietly returns to Carson City for medical attention from his old friend Dr. Hostetler. Aware that his days are numbered, the troubled man seeks solace and peace in a boarding house run by a widow and her son. However, it is not Books' fate to die in peace, as he becomes embroiled in one last valiant battle.
Nicolai Dalchimski, a mad KGB agent steals a notebook full of names of "sleeping" undercover KGB agents sent to the U.S. in the 1950's. These agents got their assignments under hypnosis, so they can't remember their missions until they're told a line of a Robert Frost poem. Dalchimski flees to the U.S. and starts phoning these agents who perform sabotage acts against military targets.
As the result of a head injury, brilliant computer scientist Harry Benson begins to experience violent seizures. In an attempt to control the seizures, Benson undergoes a new surgical procedure in which a microcomputer is inserted into his brain. The procedure is not entirely successful.
