The Mating Call (1928)

Farmer turned WWI hero Leslie returns home hoping to reunite with his wife Rose, but it turns out her parents had the unconsummated marriage annulled so she could wed the rich Lon Henderson. Rose throws herself at Leslie, itching for an affair due to her husband's penchant for infidelity, but he spurns her, marrying a young French immigrant named Catherine to get her off his back. When one of Lon's lovers commits suicide after he has cast her aside, he pins it all on Les and has his KKK-inspired group take action against him...