How would you react if you were a Martial Arts expert, had a Katana in your hands, and your daughter had just been kidnapped. Under this premise, Sensei Marín launches a race against time with Nacho, his best friend.
| Directing | Nacho Serapio | Director |
| Production | Nacho Serapio | Producer |
| Production | José A. Marín | Production Manager |
| Production | Víctor Hugo Antón | Production Manager |
| Production | José Daniel García-Bermejo | Production Assistant |
| Production | Alberto Hidalgo | Production Assistant |
| Production | Roberto Serapio | Production Assistant |
| Production | María Nombela | Production Assistant |
| Writing | Nacho Serapio | Screenplay |
| Camera | Víctor Hugo Antón | Director of Photography |
| Lighting | Andrea Venegas Vallejo | Lighting Director |
| Lighting | Juan Carlos Fernández | Gaffer |
| Camera | Sergio Antón Pascual | First Company Grip |
| Camera | Víctor Poralez | First Company Grip |
| Camera | Víctor Hugo Antón | Camera Operator |
| Directing | Sergio Antón Pascual | Script Supervisor |
| Directing | Juan Hervella-Rego | Script Supervisor |
| Directing | Enrique Pérez | Script Supervisor |
| Sound | Pablo Castillo | Sound Recordist |
| Sound | Alejandro García | Sound Recordist |
| Sound | Julia Catalán Medina | Sound Recordist |
| Costume & Make-Up | Luis Najas Zambrano | Makeup & Hair |
| Costume & Make-Up | María Rodríguez | Makeup & Hair |
| Costume & Make-Up | Ural Igor Bensch | Makeup & Hair |
| Production | Joaquín A. Valera | Executive Producer |
| Production | Héctor Alonso | Executive Producer |
| Production | Anartz Azkuenaga | Executive Producer |
| Production | Alberto Hidalgo | Executive Producer |
| Production | Alberto Morán | Executive Producer |
