After a devastating earthquake tears through Los Angeles, it unleashes a massive, fire-breathing winged dinosaur. 
After a devastating earthquake tears through Los Angeles, it rips open a hidden world beneath the city and unleashes a massive, fire-breathing winged dinosaur that terrorizes everything below. As LA burns and sheer panic spreads, a handful of survivors must outrun the fiery apocalypse by an ancient creature built for total domination of the skies and determined to eliminate all life on earth.