izar re ▁fashion , ▁bl urr ing ▁the ▁lines ▁between ▁sch iz op hren ia ▁and ▁full - b low n ▁demon ic ▁possession . ▁This ▁particularly ▁comes ▁to ▁Mer ry ' s ▁attention ▁after ▁her ▁sister ▁begins ▁telling ▁her ▁strange ▁and ▁mac ab re ▁stories ▁instead ▁of ▁innoc ent ▁ones ▁based ▁on ▁characters ▁from ▁Richard ▁Sc ar ry ' s ▁C ars ▁and ▁Tru cks ▁and ▁Things ▁That ▁Go . ▁Un be known st ▁to ▁Mer ry , ▁Mar jor ie ▁has ▁been ▁seeing ▁a ▁ther ap ist , ▁something ▁she ▁only ▁lear ns ▁after ▁Mar jor ie ▁experiences ▁a ▁particularly ▁bad ▁episode . ▁▁ ▁Things ▁continue ▁to ▁go ▁down hill ▁until ▁Mer ry ' s ▁father , ▁who ▁had ▁recently ▁become ▁a ▁born ▁again ▁Catholic , ▁dec ides ▁that ▁Mar jor ie ▁is ▁possessed ▁by ▁a ▁demon ▁and ▁en lists ▁the ▁help ▁of ▁his ▁church ' s ▁priest , ▁Father ▁W ander ly , ▁who ▁bel ieves ▁an ▁ex or c ism ▁is ▁necessary . ▁Meanwhile , ▁John ▁agre es ▁to ▁have ▁Mar jor ie ▁become ▁the ▁focus ▁of ▁a ▁reality ▁TV ▁show ▁called ▁The ▁Poss ession . ▁A ▁TV ▁crew , ▁including ▁director / produ cer ▁Barry ▁Cot ton ▁and ▁head ▁writer ▁Ken ▁F let cher , ▁move ▁into ▁the ▁Bar rett ' s ▁home ▁and ▁start ▁document ing ▁their ▁every ▁move . ▁▁ ▁The ▁show ▁only ▁man ages ▁to ▁te ar ▁the ▁family ▁further ▁apart ▁and ▁during ▁this ▁time ▁Mar jor ie ▁tells ▁Mer ry ▁that ▁she ▁has ▁been