Hell's Valley (1931)

In Hell's Valley, Texas Ranger Captain Wally kills Jose Valdez, leading Jose's brothers, Carlos and Manuel, to seek revenge at the Flores ranch. Wally is wounded pursuing them but is saved by Rosita Flores, his original sweetheart's daughter, who nurses him but secretly seeks his torture for her father, and also for herself. Carlos and Manuel fall for Rosita, but she, in turn, falls for Wally, leading to Carlos accidentally killing Manuel and Don Flores killing Carlos, with Wally and Rosita's relationship solidified.