Bat is undercover to break up a gang of highly respected businessmen in Cheyenne. He has to work himself into their group to be the fall guy. His task becomes dangerous when the only man who knows of his assignment dies of a heart attack.

Bat is asked by a woman to prevent a false story from being printed in a Cheyenne newspaper supposedly written by John Surratt, one of John Wilkes Booth's confederates for the Lincoln assassination. She says her uncle is dead.