Two inseparable sister’s visit to a remote mine town turns into a mind-bending fight for survival against menaces both human and supernatural.

After a remote diamond mine collapses in far northern Canada, a ‘big-rig’ ice road driver must lead an impossible rescue mission over a frozen lake to save the trapped miners.

Miners are forced to take a professor underground with them, to take samples for his measurements. After a landslide prevents them from going back up, they discover a crypt from another time, unknowingly waking up a bloodthirsty creature.