Two dysfunctional couples rent a modern luxury desert home for the weekend hoping to sort out their messed-up lives. Just as they are about to settle in for a fun night, a neighbor turns up at their front door saying she has car trouble. But soon they discover the person they let into their home may have nefarious intents.
A group of four amateur adventurers who specialize in exploring remote and forsaken places pay a visit to Shookum Hills, a town in the remote Appalachian Mountains which was abandoned decades ago due to a mysterious coal mine fire.
Helen tries to cope with the recent death of her husband, a scientist who killed himself right when he was on the verge of successfully completing the invention of a time machine. One day, she receives a phone call, and a voice suspiciously resembling her own voice warns her that she’s in danger. Is it possible Helen has time travelled? And what could have led her to do something like that?
