The Descent (18)

Still recovering from a total mental breakdown brought on by the deaths of her husband and daughter, thirty-something Sarah joins five friends on a caving expedition deep in the Appalachian Mountains. As the group makes it way through the labyrinthine cave network, disaster strikes: a rockfall blocks the route back to the surface. Praying for another exit, the six women push on, oblivious to a race of fearless, carnivorous predators lurking in the darkness, waiting to pounce...