Decades ago, residents of Newt, Texas, long suspected that the Sawyer family were responsible for the disappearances of numerous people. When their suspicions were finally confirmed, vigilantes torched the Sawyer compound and killed every member of the family... or so they thought. Many years later, a young woman named Heather (Alexandra Daddario) learns that she has inherited a Texas estate from an unknown relative. Little does she know of the horrors that await in the mansion's dank cellar.