David Petersen is passing through the Colorado Rocki@神马电影网dy888午夜@es. After saving a young diner waitress from her violent ex-husband during a break from driving, he hits the road again alone through a dangerous snow blizzard. One false move behind the wheel has him waking up i@腾讯5p@nside a ravine, in the eye of the storm. But the cold is the least of his worries wh@玛德二号@en a beast starts prowling outside. How will he survive?