Overview

After a young man is killed in an unexplored subterranean cavern and his girlfriend driven mad by something she saw there, a track found at the scene cannot be identified with any known animal and thus a scientific expedition is launched to find out just what it is that is living there.

Details

Cast

José Elías Moreno

Carlos Cortés

Kitty de Hoyos

David Reynoso

Columba Domínguez

Javier Solís

Carmen Molina

Ramón Bugarini

Carlos Nieto

Marco Antonio Arzate