Nine young friends get lost on their way to spending April Fools Day together. Instead of letting the entire trip go to waste, they decide to go party at an old abandoned inn called 12 Hills. Rumor has it that the place has curse that comes to life every April 1st. Despite the warnings from the locals, the friends decide to go ahead with their April Fools Day plan. It's all partying, sex and alcohol until victims of sick, deadly jokes start to appear.
| Directing | Miguel S. Marín | Director |
| Directing | Laura García | Director |
| Directing | Marc Pujolar | Director |
| Directing | Gerard Martí | Director |
| Directing | Marc Martínez | Director |
| Writing | Albert Camps | Writer |
| Writing | Dídac Cervera | Writer |
| Production | Sergi Casamitjana | Executive Producer |
| Production | Aritz Cirbián Casado | Producer |
| Production | Marta Rodríguez | Producer |
| Production | Lita Roig | Executive Producer |
| Sound | Marc Vaíllo | Music |
| Crew | Robert C. Carrera | Cinematography |
| Crew | Maria Codina | Cinematography |
| Crew | Mar Grau | Cinematography |
| Editing | Imanol de Frutos | Editor |
| Editing | Marc Esteve | Editor |
| Editing | Marc Farreras | Editor |
| Art | Anna Auquer | Art Direction |
| Art | Oian Arteta | Art Direction |
| Art | Hodei Del Barrio | Art Direction |
| Costume & Make-Up | Cristina Quer | Costume Design |
| Costume & Make-Up | Helena Aloma | Makeup Artist |
| Costume & Make-Up | Laura Arrufat | Makeup Artist |
| Costume & Make-Up | Sonia Pujol | Makeup Department Head |
| Costume & Make-Up | Irene Sánchez | Makeup Department Head |
| Production | Mireia Artola | Production Manager |
| Production | Carles Cambres | Production Manager |
| Production | Patricia Naya | Production Manager |
| Directing | Lluís Segura | Assistant Director |
| Directing | Miguel Velilla Bellafont | Assistant Director |
| Directing | Carlos Alonso-Ojea | Director |
| Directing | Dídac Cervera | Director |
| Directing | Marta Díaz de Lope Díaz | Director |
| Directing | Eugeni Guillem | Director |
| Directing | Ander Iriarte | Director |
| Directing | Rubén Montero | Director |
| Directing | Arnau Pons | Director |
| Writing | Carlos Alonso-Ojea | Writer |
