Two journalists investigate the criminal activities of the GAL (Grupos Antiterroristas de Liberación), a secret terrorist organization founded in the eighties and financed by leading figures in the Spanish government and security forces to hunt down and exterminate both members and collaborators of the terrorist gang ETA.
| Directing | Miguel Courtois | Director |
| Production | Melchor Miralles | Executive Producer |
| Editing | Guillermo S. Maldonado | Editor |
| Camera | Carlos Suárez | Director of Photography |
| Sound | Francesc Gener | Original Music Composer |
| Writing | Antonio Onetti | Screenplay |
