Ins iredbyactualevents,GirlintheBasementisthehorrificstoryofSara(StefanieScott),avibrantteengirlwhowaslookingforwardtoher18thbirthdaysoshecouldmoveawayfromhercontrollingfatherDon(JuddNelson).Butbeforeshecouldeverblowoutthecandles,herworldbecameextremelydarkafterDonim risonsherinthebasementoftheirhome.WhileDontriestoconvincewifeIrene(JoelyFisher)thatSararanaway,hewouldsecretlyvisitherinthebasementtotortureandra eherwhileIreneandhersisterAmy(EmilyTo er)continuedlivingu stairs.Astheyears ass,Saragivesbirthtoseveralchildren,aloneinthebasement.Doneventuallybringsu theiryoungestson,leavinghimonthedoorste forIrenetofindwithanotefromSarasayingthatwashersonandshecouldn’tcareforhim,leavingIrenetofinallyacce tDon’sclaimsaboutSara.Afterdecadesofca tivity,Sarafinallyesca es,andherfamilylearnsthedevastatingtruthaboutwhathadbeengoingonforover20yearsrightbeneaththeirfeet