Hoppy is leading a scientific expedition and the Chinese who have a hidden settlement nearby are trying to stop them. Saulters and his outlaw gang are also in the area looking for a gold mine. When Saulters men attack, the gold mine is found. Hoppy agrees to file for the Chinese and heads after Saulters in the chase to the land office.
William Boyd
Andy Clyde
Brad King
Soo Yong
Barbara Britton
Douglas Fowley
Keith Richards
Richard Loo
Lee Tung Foo
Gordon Hart
Earl Gunn
Ian MacDonald
John Rawlins
Roland Got
Hal Price
Borrowed Trouble
Dangerous Venture
False Colors
In Old Colorado
Leather Burners
Lost Canyon
Bar 20
The Eagle's Brood
Lumberjack
Bar 20 Justice
The Frontiersmen
In Old Mexico
Pride of the West
Law of the Pampas
Renegade Trail
Silver on the Sage
Santa Fe Marshal
Three on the Trail
Hopalong Cassidy Returns
Hopalong Rides Again
