Roxy Doyle is contacted by Allan Pinkerton's son, Robert, of the famed Pinkerton Agency, who requests that she go undercover in San Francisco's Barbary Coast in a place that has come to be known as The Shanghai Saloon. Since she was recommended to Pinkerton by Clint Adams, the Gunsmith, she decides to take the job. She ends up working as a saloon girl, and is on the lookout for a gang who has been shanghaiing men at an alarming rate. When one man...

When Stringer Jack and his band of outlaws steal steers from Granville Stewart, the most powerful rancher in Montana's Bitterroot Valley, Clint Adams must help the sheriff keep the peace as the cattleman prepares to take matters into his own hands and start a bloody range war.