A story of survival set against the backdrop of a cold, bleak winter. It centers on a woman, Alys, who had been the victim of sex trafficking and escaped her captor in the dead of night. Ten years later, a man lures her to a cabin in the woods, where he will test her sanity and force her to fight to survive.

A special team is deployed to rescue a convoy of disappeared American soldiers. However, things turn bad when they come across giant insects and snakes from another dimension.