Convicted sex offender Lluís asks filmmaker Carles to make a documentary about his life to fix his image. He agrees, expecting an apology, but realizes Gros remains unrepentant. Carles undigs more of Gros's crimes and fights for justice.
You can now watch Hunting a Monster online on the following streaming providers in the United States.
| Directing | Carles Tamayo | Director |
| Writing | Carles Tamayo | Writer |
| Writing | Ramón Campos | Writer |
| Production | Ramón Campos | Producer |
| Production | Ramón Campos | Executive Producer |
| Production | Carles Tamayo | Executive Producer |
| Production | Sara Gonzalo | Producer |
| Production | Víctor Fandiño | Producer |
| Production | Carles Tamayo | Researcher |
| Production | Federico Tonizzo | Production Director |
| Production | Pasi Palacios | Production Manager |
| Camera | Sheila Rodríguez | Director of Photography |
| Editing | Jorge García Soto | Editor |
| Editing | Pablo Barce | Editor |
| Crew | Fernando Cervera | Documentation & Support |
| Camera | Marc Brugat | Camera Operator |