The Ruins

The Ruins follows two American couples enjoying a pleasant, lazy beach holiday together in Mexico. On an impulse, they go off with newfound friends in search of one of their group -- the young German, who, in pursuit of a girl, has headed for the remote Mayan ruins, site of a fabled archeological dig.

This is what happens from the moment the searchers -- moving into the wild interior -- begin to suspect that there is an insidious, horrific 'other' among them....