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.
1 January 1941
|William Boyd||...||Hopalong Cassidy|
|Andy Clyde||...||California Carlson|
|Brad King||...||Johnny Nelson|
|Soo Yong||...||May Soong|
|Barbara Britton||...||Jennifer Kendall|