Broncho Billy, owner of a saloon in Big Horn City, is trusted implicitly by the miners in the surrounding territory. Several of them have gathered at the bar, when Broncho Billy receives a note, stating that the stage-coach will not stop at Big Horn until the following day. The men request Broncho Billy to keep their gold until the coach arrives.

Broncho Billy runs into trouble in a bar when he gets into a confrontation with a bully. Since the bully has a gun and Billy doesn't, he's forced to endure the bully's humiliating tactics until he manages to get away. He determines to find himself a gun, learn how to use it and then go back and find the bully for a little payback.

Broncho marries a Mexican girl at the earnest entreaty of her dying father. Later a Mexican singer wins her love and, to get Broncho out of the way, she has him arrested and jailed on the charge of having assaulted her. In a frenzy of rage, Broncho secures the sheriff's revolver, escapes from jail and tracks the pair at his shack.

A romantic Western in which John saves his beloved Mary when she is about to marry a criminal.