Arizona

Denton (Fairbanks) is a lieutenant in the U.S. Cavalry regiment commaded by Colonel Benham. Benham is married to the much younger Estrella (Kathleen Kirkham), the daughter of wealthy rancher Canby (Theodore Roberts) Denton discovers an affair between Estrella and Captain Hodgeman (Harry Northrup) in an effort to break up the affair. Denton honorably keeps Estrella's secret and in consequence must resign in disgrace.