Roll on Texas Moon (1946)

"Roy Goes Into Action!... To Smash Outlaws Of The Range... and Sing Your Western Favorites!"

To get the Delaney ranch Cole's henchman Anders has started a phony range war between the cattlemen and sheepmen. After killing Delaney, he tries to kill his daughter Jill and then Roy who was sent to investigate the war. But the failed attempts gives Roy the information he needs.