While meeting his girlfriend, Sarah’s (Tudor), family for the first time, Ryan Emerson (Schmidt) must prove his intentions and win the approval of her father, Greg (O'Brien), while he masks his jealousy for Sarah's ex-fling, Tyler (Eaton).

As the Thomas family settles in, things start to happen around the cabin: strange footprints by the windows, noises from outside, and a bitter animosity from the locals, including law enforcement.

As a blizzard descends on Lake Alice, so does the evil from behind the camera, as the Thomas family is hunted down one by one. The family struggles to stay alive as their power in numbers slowly dwindles.