Underground (Also Known As: El sótano del miedo) is a Horror film directed by Rafael Eisenman and written by Charles Morris Jr.. It was released on 29 December 2011 (Mexico). It stars Sofia Pernas, Adrian R'Mante. The film's content : A group of friends fight for their lives against the lethal and ravenous creatures lurking beneath the Earth's surface... What awaits ahead? Enjoy the film and discover by yourself.