A young woman is stabbed in a bar frequented by criminals and her boyfriend is arrested as the main suspect. However, when the girl finally dies, they assign the case to a commissioner, father of the detainee. He will discover that behind the crime is a dark network of blackmail and drugs.
| Directing | Ignacio F. Iquino | Director |
| Writing | Federico De Urrutia | Writer |
| Production | Ignacio F. Iquino | Producer |
| Sound | Enrique Escobar | Music |
| Camera | Ricardo Albiñana | Director of Photography |
| Editing | Juan Luis Oliver | Editor |
| Art | Manuel Infiesta | Art Direction |
| Costume & Make-Up | Manuel Manteca | Makeup Artist |
| Production | Ramón Comas | General Manager |
| Production | Juliana San José de la Fuente | Production Manager |
| Directing | Ignacio Grau | Assistant Director |
| Art | Rafael Barasona | Property Master |
| Art | José Rovira | Construction Coordinator |
| Sound | Miguel Sitges | Sound Engineer |
| Camera | Joana Biarnés | Still Photographer |
| Camera | Juan Gelpí | Camera Operator |
| Camera | Santiago Rodríguez | Assistant Camera |
| Costume & Make-Up | Julián Olivella | Wardrobe Master |
| Editing | Jack Curtis | Editor |
| Production | Antonio Liza | Production Assistant |