The Ox-Bow Incident

It rejects the orthodoxy of the time with a powerful social metaphor about human morality in the most bittersweet times, presented in a far west where the barrier between heroes and villains becomes blurred. [Full review in Spanish]

Chief fault is that the picture over-emphasizes the single hanging incident of the novel, and there's not enough other action.

It holds up as the best anti-lynching film ever made.