In this western mystery, Hoppy disguises himself as an East Coast gambler to investigate the theft of Bar 20 cattle. He suspects twin brothers, one a casino owner and the other a rancher, are behind the heists, and their seemingly alibis for each other raise his suspicions. To get closer to the truth, Hoppy takes a job at the casino, but his cover is blown when a sharp-eyed gunslinger recognizes him.
Silver on the Sage
A skilled undercover agent infiltrates a complex network of cattle rustlers linked to organized crime, working to bring the operation down from within.