Aschemingconartist(ElyseDuFour,AMC’sTheWalkingDead)posesasinnocentbabysitter"Amber"tostealfromTedHooper,awealthyoccultenthusiastwithareclusivesonnamedKevin.HercrewarrivestocleanoutthehousejustasKevinstumblesupononeofhisfather’smostprizedartifactsandunwittinglysummonsatrioofwitchesknownasTheThreeMothers.Astheplayful,sadisticwitchesstartpickingpeopleoff,AmberandKevinformanunlikelybondandtrytosurvivethenighttogether.