Years ago, a cruel and merciless nun turned a boarding school into a living hell for her students until they could no longer bear the abuse, and she mysteriously disappeared. Now the alumnae are being brutally murdered one by one.
| Writing | Jaume Balagueró | Story |
| Production | Peter Block | Executive Producer |
| Production | Julio Fernández | Executive Producer |
| Production | Carlos Fernández | Executive Producer |
| Sound | Luc Suarez | Original Music Composer |
| Production | Jason Constantine | Executive Producer |
| Editing | Bernat Vilaplana | Editor |
| Crew | David Carretero | Cinematography |
| Directing | Luis de la Madrid | Director |
| Writing | Manu Díez | Screenplay |
| Writing | Elena Serra | Story Editor |
| Lighting | Miqui Pérez | Electrician |
