Letters credit for cover confirmed by Todd Klein via files of Danny Crespi (as posted to Facebook through the Comics Historian Exchange page, 16 August 2016).
Colt throws away his vest and hat which are taken up by Smith, who is arrested on the belief he is Kid Colt. Colt appears to clear him, only to learn Smith is a wanted man himself so Colt turns him back to the authorities.
Joe and Luke plot to rob the bank at Trail's End by Joe becoming the town deputy but after Wyatt Earp saves Joe from former enemies he ultimately turns against Luke.