Upper-middle class teen brothers and their newly-met stepsister take a road trip to the Mexico-U.S. border in a tense revenge journey to track down the man responsible for the accident that caused their father's death....
After an earthquake leaves Danny trapped and alone, his claustrophobic nightmare only gets worse when something truly horrifying emerges from the fissures in the ground, forcing him to engage in a brutal fight for his life and his sanity....
