Border Vigilantes

Despite of the vigilance of the Border Vigilantes of Silver City, a band of outlaws succeed in robbing the local miners frequently and systematically because Henry Logan Victor Jory), the highly-respected leader of the Vigilanes, is secretly the leader of the outlaw gang. Dan Forbes, one of the embattled miners, has sent a message to the Bar 20 ranch in Arizona, asking his old friend "Hopalong" Cassidy (William Boyd) to come to their aid. Forbes also makes the mistake of advising Logan of what he has done, and the latter and his henchmen have plans to discredit Cassidy.