A band of murderous cowboys have imposed a reign of terror on the town of Warlock. When the sheriff humiliatingly run out of town the residents hire the services of Clay Blaisedell as facto town marshal. He arrives along with his friend Tom Morgan and sets about restoring law and order on his own terms whilst also overseeing the establishment of a gambling house and saloon.

Barbara Graham is a woman with dubious moral standards, often a guest in seedy bars. She has been sentenced for some petty crimes. Two men she knows murder an older woman. When they get caught they start to think that Barbara has helped the police arresting them. As a revenge they tell the police that Barbara is the murderer.

Charles ‘Slim’ Lindbergh struggles to finance and design an airplane that will make his New York to Paris flight the first solo transatlantic crossing.