▁" Mer ry " ▁Bar rett , ▁a ▁ 2 3 - year - old ▁who ▁is ▁finally ▁ready ▁to ▁share ▁details ▁of ▁the ▁hor r ific ▁inc idents ▁that ▁occurred ▁when ▁she ▁was ▁ 8 - year s - old . ▁Mer ry ▁tells ▁this ▁story ▁to ▁a ▁writer ▁named ▁Rach el ▁Ne ville , ▁These ▁flash back s ▁are ▁what ▁serve ▁as ▁the ▁narr ative ▁going ▁forward ▁in ▁the ▁novel , ▁with ▁a ▁few ▁chap ters ▁that ▁show ▁Mer ry ▁and ▁Rach el ▁in ▁the ▁present . ▁There ▁are ▁also ▁a ▁few ▁chap ters ▁containing ▁posts ▁from ▁a ▁blog ▁called ▁" The ▁Last ▁Final ▁Girl ." ▁This ▁blog , ▁which ▁is ▁written ▁by ▁a ▁girl ▁named ▁Kar en , ▁is ▁div ing ▁into ▁a ▁de const ruction ▁of ▁the ▁reality ▁TV ▁show ▁that ▁Mer ry ▁and ▁her ▁family ▁star red ▁in ▁called ▁The ▁Poss ession . ▁It ▁is ▁later ▁revealed ▁that ▁Kar en ▁is ▁actually ▁a ▁pseud onym ▁for ▁Mer ry . ▁▁ ▁As ▁we ▁follow ▁Mer ry ▁as ▁a ▁pre co cious ▁ 8 - year - old , ▁we ▁see ▁that ▁her ▁home ▁life ▁is ▁stra ined . ▁Her ▁father , ▁John , ▁is ▁un emp loy ed , ▁leaving ▁her ▁mother , ▁Sarah , ▁to ▁serve ▁as ▁the ▁home ' s ▁sole ▁bread w inner ▁while ▁their ▁sav ings ▁account ▁is ▁slowly ▁dra ined ▁of ▁resources . ▁To ▁make ▁matters ▁worse , ▁Mer ry ' s ▁sister ▁Mar jor ie ▁has ▁been ▁acting ▁in ▁an ▁increasing ly ▁b