While driving through the mountains of West Virginia during a late-night snowstorm, a recently divorced woman experiences bizarre electrical problems, leaving her with little choice but to place her trust with a charismatic truck driver. But when an unexplainable creature with haunting red eyes gets between them, she is forced to make one of the toughest decisions of her life. Will she abandon the stranger who kept her safe—or will she climb down below, where reality has shapeshifted into a living nightmare?