In Old Caliente (1939)
Don Jose's foreman Sujarto is an informer for an outlaw gang. After Don Jose's son Carlos is robbed, Roy and Gabby find the outlaws but end up captured and blamed for the robbery. They get even deeper into trouble when Sujarto kills Don Jose and blames Roy. They are able to escape and Roy convinces Carlos that Sujarto killed his father. Roy then has a plan that will bring Sujarto and the gang into the open.
STRAIGHT-SHOOTIN' SON OF THE SADDLE!
Gabby: How are you gonna argue with a female when she's made up her mind?
Agoura, California, USA
Iverson Ranch - 1 Iverson Lane, Chatsworth, Los Angeles, California, USA
Anachronisms
This is evidently taking place in the early 1850s, yet all handguns are revolvers, which weren't yet invented, and the cattle we see are Herefords. That breed wasn't introduced into North America until well after the Civil War.