A mysterious cattle thief, Miguel Sanches, has been terrorizing the range, framing innocent men and leaving a trail of violence in his wake. When the authorities call on Cisco to investigate, he arrives just in time to drive off a group of attackers and discover the true identity of the wagon's victim - Sanches' intended replacement. Taking on the man's identity, Cisco sets out to gather evidence against Sanches, donning the victim's clothes and posing as the replacement in a daring ruse.
South of the Rio Grande
In a sudden burst of action, a skilled cowboy named Cisco arrives to rescue a wagon from a group of attackers, only to uncover that the wagon's owner, Miguel Sanches, is a notorious rancher with a dark past of theft and betrayal.
