After a winter storm strands five friends in a remote cabin with no power and little food, disorientation slowly claims their sanity as each of them succumbs to a fear that the snow itself may be contaminated or somehow evil.

Hunted by government agents and constantly assaulted by a cartel of vengeful thugs, an amnesiac known only as "626" searches for her true identity while protecting a teenage girl who shares her superhuman abilities; but when 626 uncovers the horrifying truth about her past, she must infiltrate enemy headquarters to expose a corporate conspiracy that threatens the free world,before she and her companion are silenced forever.