In the late nineteenth century, the mule driver Juan Moreira is a good gaucho and worker who, like many others, is subjected to abuse and humiliation by the powerful, either the police or landowners.
| Directing | Leonardo Favio | Director |
| Writing | Jorge Zuhair Jury | Writer |
| Writing | Eduardo Gutiérrez | Novel |
| Production | Juan Sires | Executive Producer |
| Production | Leonardo Favio | Producer |
| Writing | Leonardo Favio | Writer |
| Sound | Pocho Leyes | Music |
| Editing | Antonio Ripoll | Editor |
| Crew | Juan Carlos Desanzo | Cinematography |
| Sound | Luis María Serra | Music |