Students of the university of Salamanca are brutally murdered by a black masked minstrel. Alex, an architecture student who has recently moved to Salamanca discovers a pattern behind the killings; it seems as if the killer strikes regularly after the exams to free the campus from lousy students.
| Directing | Pedro L. Barbero | Director |
| Directing | Vicente J. Martín | Director |
| Writing | Pedro L. Barbero | Writer |
| Writing | Vicente J. Martín | Writer |
| Production | Andrés Vicente Gómez | Producer |
| Sound | Roque Baños | Music |
| Sound | Álex Martínez | Music |
| Editing | Juan Carlos Arroyo | Editor |
| Production | Camilla-Valentine Isola | Casting |
| Art | Wolfgang Burmann | Art Direction |
| Costume & Make-Up | José Quetglás | Makeup Artist |
| Production | Luisa García | Production Manager |
| Directing | Javier Petit | Assistant Director |
| Directing | Estíbaliz García | Assistant Director |
| Directing | Ion Collar | Assistant Director |
| Sound | Manuel Carrión | Foley |
| Sound | Alberto García Altez | Boom Operator |
| Sound | Fabio Huete | Boom Operator |
| Sound | Ricardo Viñas | Dolby Consultant |
| Sound | Mark A. Van Der Willigen | Sound |
| Sound | James Muñoz | Sound Editor |
| Crew | Juan Serrano | Special Effects |
| Crew | Ángel Plana | Stunt Coordinator |
| Crew | Diego Álvarez | Stunts |
| Lighting | Pipo Rivas | Electrician |
| Editing | Miguel P. Gilaberte | Color Timer |
| Crew | José María Bello | Post-Production Manager |
| Editing | Fran Amaro | Associate Editor |
| Editing | Fran Amaro | Assistant Editor |
| Directing | José Luis Cubillo Fernández | Script Supervisor |
| Camera | Carlos Suárez | Director of Photography |
