影片情节设置在一个叫作天堂谷的虚构国度，一个男人叫做亚当卓别林的故事。亚当在他的妻子死后发现她的死因非常可疑，于是他开始调查妻子的死，之后他发现妻子的死和当地的黑帮老大丹尼理查兹有关。但是警察对黑帮老大无可奈何，因为他拥有颠倒是非黑白的能力。被仇恨占据了的亚当，召唤了一个拥有超人的黑暗力量的恶魔。恶魔跟随亚当出行，并承诺将带亚当找到凶手，但是前提条件是亚当必须按照他说法去行事。这一边，丹尼理查兹也让他两个残暴的儿子本和德里克，以及他的雇佣杀手们去对付亚当。血腥的战斗一触即发。
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.
男孩亚历克斯（温斯洛·费格雷饰）是一位恐怖故事迷，他被邪恶的女巫（克里斯滕·里特饰）囚禁在魔法公寓里，要想活下去，他必须每晚讲一个恐怖故事。他与同样被囚禁在此处的亚丝敏（莉娅·朱厄特饰）联手，寻找逃脱的方法。
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……
