A forger has made a copy of a Spanish land grant and Arnold is after it. Arnold and his men attack, shoot the forger, and take the deed while Russ tries unsuccessfully to stop them. Arnold presents it at the recorders office. It appears authentic and he starts evicting ranchers from their land. But Russ knows something is wrong as one of Arnold's men was a man he fought with during the attack.

It's 1860 and the old Spanish land grants are being surveyed. Montez is after part of Don Regas' rancho and gets the surveyor to alter the boundary. But Don Regas still has the original grant written on a bandanna. Montez sends Indians after it but Bill Cody and Gabby fight them off and a wounded Gabby unknowingly ends up with the missing million dollar deed wrapped around his arm for a bandage.

When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate to the heirs of Don Quantero, he employs Mel Donovan and his killer henchmen to murder them all. That will leave Manning as the sole heir to millions. However, Delores Quantero tumbles to this plot and enlists the aide of two-fisted reporter, Cliff Roberts to save all her relatives