When Police kicks open the doors of the elite underground fight club Knuckledust, they find seven levels of hell, filled with the dead bodies of countless fighters, assassins and goons. Only one man, beaten up to a pulp, is still breathing: Hard Eight.

David Petersen is passing through the Colorado Rockies. 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 inside a ravine, in the eye of the storm. But the cold is the least of his worries when a beast starts prowling outside. How will he survive?