When a daring heist in San Francisco nets sixty thousand dollars in diamonds and precious stones, the stakes soar higher than ever for Colonel David J. Crook's Great Western Detective League. With Comprehensive Insurance Company footing the bill, veteran investigators Briscoe Cane and Beau Longstreet take the lead, determined to hunt down the elusive Cajun safecracker known as Duval. But Duval isn't the only threat. Partnered with the ultra-secret criminal syndicate El Anillo, the heist is merely the first move in a sinister scheme to defraud investors with promises of riches from a mythical diamond mine. At the center of the con is the enigmatic Don Victor Carnicero, a ruthless mastermind spinning a web of deception with the dazzling prize of a Jeweled Garden. As the Pinkerton Agency dispatches Reginald Kingsley and the beguiling Samantha Maples to track the jewels, rival investigations collide in a whirlwind of bribery, jailbreaks, abductions, and murder. Prepare for a relentless ride with the Great Western Detective League as they navigate treacherous territory, outsmart cunning criminals, and face down ruthless outlaws. The chase barrels toward a thrilling conclusion, where honor, grit, and gunslinging skills are all that stand between justice and chaos in the unforgiving West.