The Virginian - Victor Fleming

Molly Wood arrives in a small western town to be the new schoolmarm. The Virginian, foreman on a local ranch, and Steve, his best fiend, soon become rivals for her affection. Steve falls in with bad guys led by Trampas, and the Virginian catches him cattle rustling. As foreman, he must give the order to hang his friend. Trampas gets away, but returns in time for the obligatory climactic shootout in the streets.