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.
After the Civil War, a former Union colonel searches for the two traitors whose perfidy led to the loss of a close friend.
After a band of drunken thugs overruns a small Indian Nation town, killing Reverend Goodnight and raping the women folk, Eula Goodnight enlists the aid of US Marshal Cogburn to hunt them down and bring her father's killers to justice.
