经历了好友之死和几多悲惨恐怖的过去,辛蒂•坎贝尔(Anna Faris 饰)决心开始新的人生。她受聘来到一所闹鬼的房子里照顾一位行动不便的老妇人,笨手笨脚的辛蒂好心办坏事,使得老妇人灾难连连。而这座鬼屋也绝非徒有虚名,一个因被杀而冤魂不散的男孩不时出现,希望辛蒂帮他找到真正的凶手。 在这所房子的旁边住着失败的父亲汤姆•瑞恩(Craig Bierko 饰),他正和一双儿女共度周末。一来二去的交谈过后,汤姆与辛蒂坠入爱河。就在此时,恐怖的外星人入侵地球,他们欲将人类彻底消灭。辛蒂和汤姆如何才能逃出生天?
Plot Summary:The unemployed Cindy Campbell is hired to work in a cursed house as caretaker of an old lady and meets the ghost of a boy. Meanwhile, the teenager son Robbie and the young daughter Rachel of his next door neighbor and crane operator Tom Ryan are spending the weekend with their loser father. Cindy and Tom meet and fall in love for each other, but when Giant Tripods invade Earth, Tom escapes with Robbie and Rachel; Cindy travels to a village, trying to find the answer to a riddle to save the world; and the president of USA organizes the defense of the planet in UN under his intelligence and leadership.