Sergeant O'Malley of the Royal Canadian Mounted Police gets himself into a gang of outlaws in order to detect and capture a wanted murderer. He finds the killer, but falls in love with the man's sister. In the meantime, one of the outlaws uncovers O'Malley's true identity.
Unfortunately the movie O'Malley of the Mounted is not yet available on HBO Max.
| Writing | William S. Hart | Story |
| Writing | Lambert Hillyer | Writer |
| Directing | Lambert Hillyer | Director |
