When sheriff Joe Williams is unjustly accused of the murder of a young couple, which was in reality committed by the Mexican "La Muerte", Joe becomes a wanted man. Joe manages to steal and hide the loot from a bank robbery committed by the Mexican gang, but then is captured by them, but the new sheriff, Joe's friend, is on their trail.
Unfortunately the movie The Long Day of the Massacre is not yet available on HBO Max.
| Writing | Mario Gariazzo | Screenplay |
| Writing | Mario Gariazzo | Story |
| Writing | Armando Morandi | Screenplay |
| Writing | Alberto Cardone | Screenplay |
| Directing | Alberto Cardone | Director |
