Simón is an aspiring novelist who makes a living designing crossword puzzles for a newspaper. One day he receives a threatening message instructing him to include the word "adversary" in a puzzle as Seville gets hit by a series of violent attacks.
| Actor | Role |
|---|---|
 Eduardo NoriegaSimón Cárdenas | Simón Cárdenas |
 Jordi MollàSapo | Sapo |
 Natalia VerbekeMaria | Maria |
 Paz VegaAriadna | Ariadna |
| PPedro Álvarez-OssorioPadre Andrés | Padre Andrés |
 Mauro RiveraRocha | Rocha |
 Jesús OlmedoBrujo | Brujo |
 Críspulo CabezasPirata | Pirata |
| JJoserra CadiñanosDinamitero | Dinamitero |
 José Manuel SedaCapa | Capa |
| RRichard HendersonHernández | Hernández |
| PPepe CanteroPresidente | Presidente |
| AAnne DeluzMadre de Sapo | Madre de Sapo |
 Petra MartínezEncargada del archivo | Encargada del archivo |
| PPablo MatillaCapillita | Capillita |
 Manuel MorónJefe de redacción | Jefe de redacción |
 Joaquín NotarioNot listed | Not listed |
 Pepe Rodríguez QuintosNot listed | Not listed |
 Juan Carlos Montes-RoldánPresentador | Presentador |
 Lucio RomeroHermano mayor | Hermano mayor |
| JJosé SalasSacerdote | Sacerdote |
| SSilvia SánchezReportera | Reportera |
 Agustín UstárrozVázquez | Vázquez |
 Alejandro AmenábarNot listed | Not listed |
 Mateo GilNot listed | Not listed |
 Juan Carlos Martínez AntuñaNazareno | Nazareno |