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 … Francisco Barreiro, Giancarlo Ruiz, Laura Caro, Alan Martinez, Michele Garcia, David Arturo Cabezud, Enrique Saint-Martin Added on Amazon Prime 2023-10-31. Youtube Trailer