When Beth (Kate Watson) suffers a traumatic attack, her family and friends suggest she see a therapist to help her cope. However, her new therapist gives her more than she bargained for.

When two bus crash survivors awake to discover that they are the only people left in their small town, they must form an unlikely alliance in a race to unravel the truth behind their isolation. As strange events begin to unfold, they start to question whether the town they know so well is really what it seems.