TheRichardsonfamilycelebratestheir28-year-olddaughter'spregnancyinNorthernCalifornia.ThecelebrationisinterruptedwhenaSataniccultmember,AkselBrandr,paysthemanunexpectedvisit.Aksel,onbehalfofthecult'sleaderHenrikBrandr,offerstopaythefamilyalargesumforownershipoftheirland.JacobRichardson,thefather,rejectstheofferduetothepricelesssentimentalvalueoftheirhome.Henrikandhiscult,displeased,begintoputdevastatingcursesontheRichardsons,tryingtoforcethemofftheirland-evenifitmeansmurderingthem.Aftersufferingunexplainabletragedies,theRichardsonsseekhelpfromMarybeth,awhitewitchhighpriestess.Theysoondiscoveraterriblesecretabouttheirhome,revealingwhyitissovaluabletothecult.Theyrealizetheymustprotecttheirpropertyfromthecultatallcosts,andaviolentbattlebetweengoodandevilensues.