SuburbanAmericagonehaywire.Inthemidstofaserialabductor/killer#39;srampage\,abeautifulyoungteen\,RileyLawson\,goesmissing.Whenherdesperateparents\,WillandKate\,arecontactedbyherkidnapper\,aninsufferableFBISpecialAgenttakeschargeofthecase.But\,fromdeepwithinthepsychopathicsubterraneanworldcreatedbyOtis\,Rileyturnsthetablesonhertormentor\,managestoescapeandtocontactherparents.And\,fedupwiththetragi-icinabilityoftheFBItofindtheirgirl\,Will\,Kate\,andRiley#39;sbrother\,Reeddecidetotakematters-andjustice-intotheirownhands.ButwhenOtis#39;sbrother\,Elmo\,showsupunexpectedly\,theLawsonsfindthemselvesmiredinunusualandmacabreconsequencesofvigilantism.