San Francisco Tong hatchet man Wong must execute his boyhood friend Sun. Sun knew his time was up and wrote out his will just prior to Wong showing up at his door. When Sun realizes Wong is there to kill me he tries to set his friend's mind at ease by telling him he is the beneficiary of all Sun's worldly possessions and convinces Wong to promise to take care of Sun's young daughter, Toya San who Sun has bequeathed to become his wife. Years later, when she becomes of age, she marries Wong, now a powerful figure, though she loves evil Harry. When Wong learns Toya will be happier with Harry he allows them to leave. Still later Wong learns that Harry has been deported and since Toya could not prove she was married to someone else she too was deported to China. When Wong learns of this, he goes after them.
吉尔·塔克(贝茜·拉塞尔 Betsy Russell 饰)向警方和盘托出竖锯事件的始末,而侥幸逃脱死亡威胁的马克·霍夫曼(科斯塔斯·曼迪勒 Costas Mandylor 饰)则向警方发出警告,势要杀掉吉尔不可。警署上下如临大敌。另一方面,自称竖锯游戏幸存者的波比·达根(肖恩·派特里克·弗兰纳里 Sean Patrick Flanery 饰)高调现身,演讲、出书、接受电视台专访、组织幸存者自救会,风光无限之时名利双收。然而波比只是一个为搏出位的骗子,他的谎话骗过了大多数人,却骗不了竖锯约翰(托宾·贝尔 Tobin Bell 饰)。一场针对波比及其团队的残酷生存游戏拉开序幕…… 本片为电锯惊魂系列第七部,制作成3D影片上映。
老富翁爱德华•科尔(杰克•尼克尔森 Jack Nicholson 饰)近年来在公立医院的私有化改造事业中获利颇丰,他为节省成本,规定病房“一房两床”的做法颇受非议,但性格强势的科尔不以为意,岂料他不久被检查出罹患癌症,本欲入住单人病房的科尔在舆论压力下只得与另一位病人——老卡特(摩根•弗里曼 Morgan Freeman 饰)同处一室。汽车修理技师老卡特博闻强识,将三个子女培养成才,但代价是牺牲了年轻时要做历史教授的梦想。曾经结婚多次如今却孤身一人的科尔逐渐对卡特产生了兴趣,两位老人在病房中结下了友谊。科尔偶然发现了卡特的“遗愿清单”,他决定运用自己的力量,让那些纸面上的疯狂构想一一实现,去发现人生的真正意义……