A married couple loses their children while on a family trip near some caves in Tijuana. The kids eventually reappear without explanation, but it becomes clear that they are not who they used to be, that something terrifying has changed them.
| Actor | Role |
|---|---|
 Francisco BarreiroFelix | Felix |
 Giancarlo RuizEl Policia | El Policia |
| LLaura CaroSol | Sol |
| AAlan MartinezAdolfo | Adolfo |
| MMichele GarciaSara | Sara |
| DDavid Arturo CabezudLucio | Lucio |
| EEnrique Saint-MartinEncargado gasolinera | Encargado gasolinera |
| MMichele EstradaDoctora | Doctora |
| JJessica IrisSandra | Sandra |
| DDana DorelAbril | Abril |
| JJuan Carlos ArreguinHombre | Hombre |
| BBarbara Perrin RivemarMarcia | Marcia |