In all the horrific corners of the Civil War, there was no hell worse than Andersonville, the Yankee prison camp run by evil, sadistic General Thomas Wainwright. In the war's aftermath, a survivor of Andersonville summons Joe Buckhorn in New Orleans and asks the gunslinger to kill the general, not simply for revenge but to stop another atrocity. Wainwright has seized control of Wagontongue, a township on the edge of the Arizona desert, and he rules...