A prospector discovers natural cement and suggests it should be used for a new dam. But this is the last thing the badmen of Trail End want, as they have a monopoly of the wagons needed to haul rocks to the site. A pretty sheriff notwithstanding, it's a job for a singing marshal.
You can now watch Mule Train online on the following streaming providers in the United States.
| Writing | Gerald Geraghty | Screenplay |
| Directing | John English | Director |
| Lighting | Seldon White | Gaffer |
| Crew | Evelyn Finley | Stunt Double |
