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……
The PUPPET MASTER series finally concludes with its seventh, and straight-to-video, sequel THE LEGACY. Comprised mostly of clips from the previous features, the film centers around Eric Weiss (Jacob Witkin) the little boy saved by toymaker Andre Toulon in PUPPET MASTER 3. Now a grown man in pursuit of Toulon's secret for animating objects, Weiss relates the puppets' history--through flashbacks and archival footage from the first six sequels--to a woman named Maclain (Kate Orsini), unaware that the mysterious beauty is really an assassin out to destroy the puppet master's legacy
A schoolgirl is raped by three low-lifes, and is then blackmailed by her attackers to keep her quiet. Desperate for revenge, she makes contact with a necromancer, who promptly "takes care" of the boys using her magic powers.
