When Reese does not return from tracking Johnny Rhodes, Parmalee sends Chad and Joe after Rhodes to keep pressure on him while Erik and Parmalee go to Mexico to help with a gold shipment to the US via San Rosa. Due to a rattlesnake Reese is knocked out and left with Johnny Rhodes crippled horse while Rhodes escapes. Reese makes his way to San Rosa where he is mistaken for Johnny Rhodes due to the saddle on Rhodes' horse. Rhodes is to meet the McCord gang by San Rosa to steal the gold shipment. Having amnesia Reese assumes the role of Rhodes since the people tell him that is his name. He takes over the town and the affection of Mio who runs the cantina. Chad and Joe track Rhodes horse leading them to Reese where they learn what happened to Reese. They try to tell Reese who he is but end up captives of Mio who is protective of Reese. When the McCord gang arrives in San Rosa, one of the men kicks Reese bringing him out of the amnesia. All three Rangers end up tied up in the cantina ...