While searching for the parents she's never known, New York transplant Grace (Scout Taylor-Compton) returns to her childhood southern stomping grounds with her boyfriend (Nolan Gerard Funk) to investigate a promising lead on her family's whereabouts. Upon arrival, the couple's weekend takes a bizarre, terrifying turn as a nightmarish cult and their maniacal leader terrorize the pair en route to fulfilling a twisted ancient apocalyptic prophecy.