故事(shì )取(🔨)材自1981年轰动(dòng )全(quán )美的(de )真实谋杀案(àn ),凶手亚恩·(🍥)夏(xià )安(ān )·约(yuē )翰逊(🥈)杀(shā )死房东后声称自己是被(😧)邪(🎾)灵附体才会行凶,是(🏇)美国(📼)历(lì )史上(shàng )首(⚫)个被告以「鬼上(🗄)身」作抗辩(👁)理由的案(àn )(🔲)例,因(🚉)此(cǐ )称为「(🕌)恶(🛺)魔(📞)谋(móu )杀(shā )案」。 11岁男(🚸)孩大卫(🐶)被邪灵附体,陷入混沌状(zhuàng )态,经常看(kàn )(🥁)见怪兽恶魔坐(😞)在他喜(xǐ )欢(huān )(💱)的摇椅(🎛)上(shàng ),而他身上更出(chū )现(xiàn ) 离奇(qí )伤痕…受(🌞)惊且束手无策的(de )家人请来沃伦夫妇介(jiè )入调查,他(⛳)们发(💠)现(xiàn )大(dà )卫被43只恶(🐀)魔缠身,使乖巧的(👣)他(tā )行为(🈁)变得异常,例(lì )如像野兽(shòu )般在地(dì )上爬行(háng )、胡言乱语甚至背(🤷)诵他(tā )没(méi )(💅)有(🌼)读过(💹)的圣(shèng )经(💯)及《失乐园》章节…沃伦夫(fū )妇遂安排神(👌)父为大卫驱魔,可惜未见起色,而更诡异(yì )的事情(qíng )接踵(zhǒng )而(🔫)来,大卫(🌸)姐(jiě )姐的未婚夫(fū )(🍁)亚恩也开(😳)始(👗)行(háng )为异(yì )常(🍺),数(🐂)月后(hòu ),亚(👩)恩(ēn )更以(yǐ )利刀刺死了房东(😉)。华(🚩)伦夫妇认(rèn )为(wéi )亚恩行(háng )凶时(👅)被恶灵附身,原来大卫进行驱魔(👼)时,亚恩(ēn )也在现场……