The San Antonio Kid (1944)

A geologist has found oil on the neighboring ranches and teams up with Ace, who has his gang create a reign of terror to get the ranchers to sell out. But to get rid of Red Ryder, Ace sends for the San Antonio Kid. On arrival the Kid has a freak accident and Red comes along to save his life. When the Kid later meets with Ace, he learns that Red is the man he has been paid to kill.