The last years of the Old West become a turning point for a fading cowboy struggling to hold on to the traditions that made him a legend. It’s Wyoming Territory, 1892. Saloons are empty, work is scarce, and the legends called cowboys bide their time in general stores. It’s the twilight of the Old West, and the sun’s setting on Monte Walsh (Emmy and Golden Globe winner Tom Selleck, Magnum P.I., In & Out ), “the best Bronc rider south of Snake River.” But the taciturn roughneck, whose livelihood is growing out from under him, still has his old roping buddies, Chet Rollins (Emmy and Oscar winner Keith Carradine, The Outsider, Nashville) and Shorty Austin (George Eads, C.S.I.), to...