老鸟警探（塞缪尔·杰克逊 Samuel L. Jackson 饰）带领警探（克里斯·洛克 Chris Rock 饰）调查惨绝人寰的连环杀警案，“拼图杀人魔”重出江湖的传言，再度勾起所有人心中的恐惧。这次新的游戏规则，似乎直冲警察而来。每个命案现场留下的“死亡漩涡”，将把他们卷进难以抽身的血腥深渊之中…… 《电锯惊魂》第九部由第8部的两位编剧皮特·古德芬格和乔什·斯托伯格撰写剧本。执导了《电锯惊魂234》的达伦·林恩·鲍斯曼此番回归执导。
以阿古力为首的狼卫军觊觎窃天氏的龙脉宝藏和天下第一美人-史天骄，企图占领硫 勒城以便寻找其所在。守城将军史万夫寡不敌众，为救城中百姓和女儿史天骄，他与好 友肖不平合谋，利用记载窃天氏秘术的《窃天书》，将硫勒城设计成为鬼城，布下七重 恐怖诡异的诅咒，将自己的人头砍落，鬼魅离去。狼卫军以为史万夫身死，贸然进城， 不料城内碑坟林立， 恶兆不祥，不少狼卫将领接连惨死， “无头将军现身，诅咒成真”的流言四起，人心惶惶。为夺龙脉，阿古力坚持己见，命令将士挖通地宫。无头将军再 度现身，利用地宫云波诡谲的机关虫蛊，使狼卫军内部自相残杀，在肖不平的内应下成 功击杀阿古力，击退狼卫军，拯救了自己的女儿和全城百姓.
Follows the story of a prospective husband and wife named Salim and Tasya. The two decided to move their pre-wedding photo shoot to Salim's family home after his aunt, Salim's only blood relative, passed away. In addition to having to take care of his aunt's funeral, Salim also had to continue the family ritual of burning incense every day on a mysterious altar. If not, his life would be in danger. Unexpectedly, their presence along with the photo shoot team in the house actually made the spirits of Salim's ancestors who died during the Japanese occupation appear and start terrorizing them. Instead of feeling afraid, Tasya was moved to uncover the mystery of Salim's family's past in order to free her prospective husband from his obligations so that they could leave the house. What really happened? Will Tasya succeed in carrying out her mission?
密歇根州荷兰镇教师南希·范德格鲁特（妮可·基德曼 饰），她与担任社区领袖的丈夫弗雷德（马修·麦克费登 饰）、儿子哈里过着典型的美国田园生活。当南希与同事戴夫·德尔加多（盖尔·加西亚·贝纳尔 饰）偶然发现丈夫隐藏的秘密后，平静生活迅速崩解。
