Song of the West (1930)

"100% Natural Color"

Captain Stanton, who because of a misunderstanding over a woman with Major Davolo, has been cited for a court martial. As a scout, he is sent to escort a wagon train which is under military escort. It turns out that this escort is his own former regiment. When he meet Davolo, there is another fight and between Stanton and Davolo in which Davolo is killed.