The Call of the Canyon.

Returning from World War I, Glenn Kilbourne travels to Arizona to regain his health. He meets a local girl, Flo Hutler, who helps him recover. His fiancee, Carley Burch, follows him to Arizona but soon decides she'd rather go back to New York. When Flo is badly hurt in an accident, Glenn decides to repay her for her help in bringing him back to health by proposing marriage.