Sundown Jim was the second of two 20th Century-Fox westerns starring football champ John Kimbrough. The story takes place in mountain country, providing a wintry backdrop for the standard western plot devices. Kimbrough is cast as US marshal Sundown Jim Majors, whose main purpose in life is to bring a deadly frontier feud to a peaceful end. This requires him to clean out the local criminal element, which he does with grim-visaged determination