Film about ghostly revenge from beyond the grave that starts out in a theater. Some of the actors plan a heist of the box office, which goes predictably awry and causes an unintended death...and that's when the horror begins.

At the highest place in Tarahumaran mountain, a Shaman was brutally murdered. The investigation leads detective Aguilar to ask for help to a veterinarian and a priest, to find out that the crime is just the beginning of a series of brutal murders by a nahual (Wolfman)