Aschemingconartist(ElyseDuFour,AMC’sTheWalkingDead) osesasinnocentbabysitter"Amber"tostealfromTedHoo er,awealthyoccultenthusiastwithareclusivesonnamedKevin.HercrewarrivestocleanoutthehousejustasKevinstumblesu ononeofhisfather’smost rizedartifactsandunwittinglysummonsatrioofwitchesknownasTheThreeMothers.Asthe layful,sadisticwitchesstart icking eo leoff,AmberandKevinformanunlikelybondandtrytosurvivethenighttogether