The High Chaparral (1967) : 4x2

Needing to get away temporarily from the rigors of ranch life, Buck chooses the raucous Fourth of July holiday for the time and the roughest town in the territory for the place Soon after his arrival in Spokes, a lawless community run by tough China Pierce, Buck witnesses a saloon shootout in which Pierce's son Bud is killed by Jones, an old friendless trapper who is seriously wounded. Although it was a fair fight, cowering townspeople refuse to help Jones, so Buck goes to the man's aid and then mounts a vigil to await the inevitable explosive confrontation with Pierce.