In 1920, workers from Patagonia, in Southern Argentina, gather around an anarcho-syndicalist society and go on strike, demanding better working conditions. When the situation turns unsustainable, President Yrigoyen sends Lieutenant Colonel Zavala to impose order.
| Directing | Héctor Olivera | Director |
| Writing | Fernando Ayala | Screenplay |
| Writing | Héctor Olivera | Screenplay |
| Production | Fernando Ayala | Producer |
| Sound | Óscar Cardozo Ocampo | Original Music Composer |
| Camera | Víctor Hugo Caula | Director of Photography |
| Editing | Óscar Montauti | Editor |
| Writing | Osvaldo Bayer | Book |
| Writing | Osvaldo Bayer | Screenplay |
| Directing | Horacio Guisado | Assistant Director |
