影片根据真实事件改编。埃博尼·杰克逊是一位努力与内心恶魔斗争的单身母亲，她带着家人搬进新家，开始新的生活。但当家中发生的怪事引起儿童保护服务机构的怀疑并威胁到这个家庭时，埃博尼很快发现自己陷入了一场为自己的生命和孩子们的灵魂而战的战斗中。
After Hassan discovers Zidik living alone on the streets, he takes him in and cares for him like a son. Zidik now works together with Hassan in the junkyard but both men are stuck in the past. 15 years ago, they lost their loved ones to a virus that turned people violent. Hassan often "forgets" that the virus killed his wife, while Zidik still remembers his sister attacking his mother and his father sacrificing himself to save Zidik. He also often thinks of Zooey, the girl he met at the orphanage he briefly stayed at before being kicked out by the evil Kak Lily. Meanwhile, Dr. Rahman, a disgraced scientist who previously managed to contain the virus, manufactures a new strain of zombie virus to create chaos. Amid this new zombie outbreak, Zidik encounters a zombified Zooey who tries to attack him but she slowly begins to remember who he is. Zidik then gets taken prisoner by Dr. Rahman when the doctor discovers that he is immune to the virus.
这是第一次也是唯一一次“恶魔附体”在美国谋杀案审判中被正式用作辩护理由的案件，来源于电影《招魂3》里的真实事件，收录了恶魔附身和谋杀的第一手资料，迫使人们反思对未知的恐惧。
卡拉（芭芭拉·赫希 Barbara Hershey 饰）的丈夫在一场意外中不幸去世，卡拉不得不独自抚养他们的两个孩子，日子过得十分辛苦。某天夜里，卡拉遇见了科学无法解释的怪事，她被一股强大而又神秘的力量强暴了。由于事态过于诡异，卡拉将此归结于自己在做梦，但这股力量并没有就此消失，而是一而再再而三的骚扰着卡拉。 恐惧之中，卡拉向心理医生库利（Jacqueline Brookes 饰）求助，但库利认为这只是卡拉压力太大而产生的幻觉。科学无法帮助卡拉，于是卡拉转而找到了一名玄学家，玄学家在卡拉的卧室里放置了特殊的摄影器材，并且最终拍摄下了惊悚恐怖的一幕。证据证明了卡拉并没有疯，但这也意味着，他们必须要和那个邪恶的力量正面对抗。
香港皇家警察萧玉龙（萧玉龙 饰）和刘兆铭（刘兆铭 饰）是一对同袍好友。某晚，二人参加婚宴，刘酩酊大醉，随之被扒手盗去荷包，更险遭飞车撞倒。二人驱车追赶飞车司机，糊里糊涂来到一片荒芜所在，更目睹持刀男子（黄初一 饰）追杀中年妇女的场面。他们上前制止，经过一番殊死搏斗，最终刘将持刀男子射杀。 然而蹊跷之事接踵而至，先是房间突然陷入混乱，然后萧之女友也被恶物缠身。虽经拜神请愿，却未见成效。最后经高人指点，萧方明白这一连串怪异事件的背后竟是隐藏多年的世代冤案……
