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 | Laura García | Director |
| Directing | Gerard Martí | Director |
| Directing | Miguel S. Marín | Director |
| Directing | Marc Pujolar | Director |
| Directing | Marc Martínez | Director |
| Writing | Dídac Cervera | Writer |
| Art | Oian Arteta | Art Direction |
| Production | Aritz Cirbián Casado | Producer |
| Crew | Maria Codina | Cinematography |
| Production | Patricia Naya | Production Manager |
| Production | Carles Cambres | Production Manager |
| Sound | Marc Vaíllo | Music |
| Editing | Imanol de Frutos | Editor |
| Costume & Make-Up | Laura Arrufat | Makeup Artist |
| Writing | Albert Camps | Writer |
| Production | Lita Roig | Executive Producer |
| Production | Mireia Artola | Production Manager |
| Art | Anna Auquer | Art Direction |
| Production | Marta Rodríguez | Producer |
| Crew | Mar Grau | Cinematography |
| Costume & Make-Up | Helena Aloma | Makeup Artist |
| Directing | Miguel Velilla Bellafont | Assistant Director |
| Production | Sergi Casamitjana | Executive Producer |
| Editing | Marc Farreras | Editor |
| Crew | Robert C. Carrera | Cinematography |
| Editing | Marc Esteve | Editor |
| Costume & Make-Up | Sonia Pujol | Makeup Department Head |
| Costume & Make-Up | Cristina Quer | Costume Design |
| Directing | Lluís Segura | Assistant Director |
| Costume & Make-Up | Irene Sánchez | Makeup Department Head |
| Art | Hodei Del Barrio | Art Direction |
| 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 |
