交换：朋友的妻子2

　　In the British countryside, the Harver family head out on an idyllic summer camping trip where they can bury past tensions and enjoy some family bonding. But when their camp is sabotaged by an unseen intruder in the night, they head to the nearby creepy old farm desperate for help, where vengeful farmer Hunt Hansen and his hideously deformed son aren't farming animals... Caged and waiting for their limbs to be severed, cooked and eaten one at a time, the Harver family must overcome their differences and unite in order to escape alive!

影片改编自《下妻物语》等经典作品的原作---嶽本稔明的同名小说。故事讲述了得知女友一周后就要死亡的“我”和“她”的青春物语。

　　保险经纪人叶永信(陈家乐 饰)某天接到一通神秘来电，电话中的男子问自杀后多久可以拿到赔偿，随后他接到上司通知有客户指定他去跟进保单，叶上门拜访时亲眼目睹一个孩子吊死在屋中，他随即认定客户为诈取保险金而杀害儿子，决心暗中对朱重德(黄秋生 饰)和沈子玲(林嘉欣 饰)夫妇展开调查，恐吓随即接二连三发生在他及恋人文惠仪(汤怡 饰)身上，在又一起命案发生后，他愕然发觉事情和他的判断并不一样…

　　A couple on the verge of a nasty divorce attempt to sell their empty love nest and move on with their lives, separately. After a successful open house they are horrified to discover, days later, that a potential buyer didn't leave their home. While Alice is being held captive in the basement, the unannounced house guest moves in upstairs. She senses her capture is being kept a rebellious secret. She knows her way only way out if she can only get out alive.

　　1930年代，小云、小红（周璇）姐妹被人骗到上海卖给琴师和妓院老鸨夫妇，小云被迫做了暗娼，小红年纪尚小，又天生有一副好嗓子，便随琴师去茶楼终日卖唱。姐妹两人住在贫民窟，在她们对面，住的分别是报贩老王和吹鼓手陈少平（赵丹）。因为闲来无事时陈少平常同小红对窗玩闹，两人渐生感情。　　小红卖唱时被流氓古成龙缠上，对方欲强霸她为妾，小红找陈少平商量对策，两人本想借助律师将正义伸张，不想律师双眼只认钱，无奈之下只得逃走，而这一过程中，老王对小云由怜生爱，可是小云却因自卑不敢正视。琴师偶知陈少平与小红下落，放风给古成龙，古成龙赶到小红住处时，屋里只有她和小云，两人生命危在旦夕。