When a miner is murdered before he can file his claim, Editor Saunders sends for Hoppy. Now the new Marshal, Hoppy learns Lilli Marsh owns the murdered miner's claim and her henchman Blackie was the killer. After Hoppy and the ranchers take care of Blackie's gang, Hoppy goes alone to face Blackie and Lilli.
Hopalong Cassidy Returns
A crusading newspaper editor recruits his old friend Hoppy to take the job of marshal in a town rife with vice and murder directed at helpless miners.