Hopalong Cassidy takes on a government counterfeiting case, teaming up with California Carlson and Lucky Jenkins to investigate in a small town where they meet Nora Murray and her brother Sid, who are seeking to claim the "Silver Belle" mine. However, the brother is murdered by Ora Mordigan's gang, and Cassidy uncovers a hidden mine where the gang is holding Nora's father, John Murray, captive, forcing him to print counterfeit money.
Strange Gamble
A federal agent tracks down a sophisticated counterfeiting ring, following a trail of clues that includes an enigmatic phrase and a rare celestial event.