The Cowboy Counsellor (1932)

Bill Clary has robbed the stage and planted some of the money at Luke Avery's ranch. Dan Alton arrives at the same time posing as a Lawyer to sell his book. When Avery is charged with the robbery, Luke's sister Ruth gets Dan to take the case. His defense entails robbing another stage. Luke is found innocent but Dan is exposed as a stage robber.