Tales about the spectre of the night known as the Prairie Man were told to frighten children, but one day those tales nearly led to a tragic accident for Temple Kennedy. His friend Hank Pierce saved his life, Temple vowed that one day he would return the favour.
Pinkerton detective Nimrod Dunn is hired by Lieutenant Governor Maddix Kingsley to infiltrate an outlaw gang, but when Nimrod's cover is blown an innocent life is lost in the raging gun battle.