影片故事背景一如上集，主要人物布迪警长亦由上集的罗伊·谢德扮演，但是今次出现肆虐艾密迪海滩的大白鲨，却是一条满含恨意，一心前来报“杀夫之仇”的母鲨。

史楚锡（Bruno S.  饰）是一名街头流浪艺人，穷苦的生活让他感到走投无路，在邻居的怂恿下，他和女友艾娃（Eva Mattes 饰）决定远赴美国，开始他们的淘金之旅。在艾娃通过出卖身体筹得路费之后，三人上路了。初到美国，一切都显得光明而充满希望，三人均找 到了稳定的工作过上了平静的生活，存了一笔小钱。一次偶然中，史楚锡通过朋友得知他可以通过分期付款的方式获得属于自己的房子，做梦都想有一个家的史楚锡毫不犹豫的出手了。 第一次付款的日期很快就到来了，可是史楚锡却发现他们无法支付高额的房款，随之而来的就是第二次付款日。银行没收了史楚锡的房产，在异国他乡，史楚锡重新变成了穷困潦倒的流浪汉。在无谓的挣扎之后，史楚锡终于认命了，在一间荒芜的游乐园里，他结束了自己的生命。

22岁的毒贩克里斯（埃米尔·赫斯基 Emile Hirsch 饰）欠了一屁股债，高利贷主正威胁要追杀他。为保性命，他想到了唯一的办法，就是谋杀亲母阿黛尔以赚取高额保险，并联合了父亲、继母和妹妹多蒂（朱诺·坦普尔 Juno Temple 饰）一起瓜分这笔横财。然而克里斯不愿自己动手，遂瞄准了专业杀手乔（马修·麦康纳 Matthew McConaughey 饰），然而乔只做买卖不做慈善，筹不够钱不会动手。束手无策之时，克里斯只好先把妹妹暂时当“订金”交给乔。本以为万事办妥，只等坐收巨款的克里斯，却没想到事情竟往戏剧化的方向发展而去…… 本片曾获土星奖最佳独立电影、最佳男主角、最佳导演、最佳女配角、最佳编剧奖。

Eminent Boston Psychiatrist, Frasier Crane, last seen gracing the bars of Cheers has left his life there to start afresh in Seattle. He now has a spot as a popular radio Psychiatrist, giving him the chance to spread words of wit and wisdom to the masses. He shares his apartment with his retired cop father, Martin, and his father's physical care assistant, Daphne Moon. Add in brother Niles, Eddie the dog, some bizarre situations and plenty of humour and you've got all the ingredients for an excellent show and worthy successor to Cheers.

Eminent Boston Psychiatrist, Frasier Crane, last seen gracing the bars of Cheers has left his life there to start afresh in Seattle. He now has a spot as a popular radio Psychiatrist, giving him the chance to spread words of wit and wisdom to the masses. He shares his apartment with his retired cop father, Martin, and his father's physical care assistant, Daphne Moon. Add in brother Niles, Eddie the dog, some bizarre situations and plenty of humour and you've got all the ingredients for an excellent show and worthy successor to Cheers.

Eminent Boston Psychiatrist, Frasier Crane, last seen gracing the bars of Cheers has left his life there to start afresh in Seattle. He now has a spot as a popular radio Psychiatrist, giving him the chance to spread words of wit and wisdom to the masses. He shares his apartment with his retired cop father, Martin, and his father's physical care assistant, Daphne Moon. Add in brother Niles, Eddie the dog, some bizarre situations and plenty of humour and you've got all the ingredients for an excellent show and worthy successor to Cheers.

Eminent Boston Psychiatrist, Frasier Crane, last seen gracing the bars of Cheers has left his life there to start afresh in Seattle. He now has a spot as a popular radio Psychiatrist, giving him the chance to spread words of wit and wisdom to the masses. He shares his apartment with his retired cop father, Martin, and his father's physical care assistant, Daphne Moon. Add in brother Niles, Eddie the dog, some bizarre situations and plenty of humour and you've got all the ingredients for an excellent show and worthy successor to Cheers.

Eminent Boston Psychiatrist, Frasier Crane, last seen gracing the bars of Cheers has left his life there to start afresh in Seattle. He now has a spot as a popular radio Psychiatrist, giving him the chance to spread words of wit and wisdom to the masses. He shares his apartment with his retired cop father, Martin, and his father's physical care assistant, Daphne Moon. Add in brother Niles, Eddie the dog, some bizarre situations and plenty of humour and you've got all the ingredients for an excellent show and worthy successor to Cheers.

Eminent Boston Psychiatrist, Frasier Crane, last seen gracing the bars of Cheers has left his life there to start afresh in Seattle. He now has a spot as a popular radio Psychiatrist, giving him the chance to spread words of wit and wisdom to the masses. He shares his apartment with his retired cop father, Martin, and his father's physical care assistant, Daphne Moon. Add in brother Niles, Eddie the dog, some bizarre situations and plenty of humour and you've got all the ingredients for an excellent show and worthy successor to Cheers.

保罗（理查德·帕斯科 Richard Pasco 饰）的父亲和哥哥客死他乡，想要揭开其中真相的保罗来到了他们生前所生活的小镇进行调查。这个小镇上的所有居民都给保罗一种非常诡异的感觉，他们唯唯诺诺抖抖霍霍，仿佛有什么恐怖的东西隐藏在暗夜里，随时都会跑出来要他们的性命一样。 纳马洛博士（彼得·库欣 Peter Cushing 饰）曾经是父亲的助手，这个男人和一位神秘的美女卡拉（芭芭拉·谢莉 Barbara Shelley 饰）的诡异行踪吸引了保罗的注意。卡拉似乎患有一种奇怪的病，经常会昏倒并且失去记忆，而纳马洛博士显然对卡拉情有独钟，担负着她的保护者的身份。那么，父亲和哥哥的死，和这两个人究竟有没有关系呢？

★轟動全球！最炙手可熱的驚悚小說名家B.A.芭莉絲，《紐約時報》《今日美國》《星期日泰晤士報》暢銷作家心理驚悚力作！ ★出道即巔峰！B.A.芭莉絲繼暢銷出道作《關上門以後》榮獲最佳心理驚悚小說後，最扣人心弦的驚悚力作！ ★改編自《紐約時報》暢銷冠軍小說《崩潰》，年度最扣人心弦的心理驚悚電影。 ★入選Bustle網站2017年最令人期待的驚悚小說！ ★英、美Amazon書店、Goodreads書評網★★★★壓倒性好評！ ★燒腦推理神作又一部，驚悚推理迷絕不容錯過的電影，精采程度更勝《鋒迴路轉》及《佈局》，故事百轉千迴讓你不到最後一刻無法猜出真相！ ★當記憶與現實糾纏交錯，連自己都無法相信，你還能相信誰？ 故事大綱 當記憶與現實糾纏交錯，你分得清楚，哪一個才是真的嗎？ 一個下著滂沱大雨的夜晚，凱絲在參加完派對之後想要抄森林裡的近路回家，卻發現一輛汽車停在路邊，車上坐著一個女人。凱絲沒有下車查看，而是選擇直接離開，沒想到第二天看到新聞，這名擦肩而過的女子已經慘遭殺害，變成了冰冷的屍體。自從那個晚上以後，凱絲的精神狀況變得越來越差，奇怪的事也跟著一件一件發生，她不斷接到神秘的無聲電話、在晚上看到陌生男人的身影，她更感覺到似乎有人在暗處，正在監視她的一舉一動……