The crooks in London know how it works. No one carries guns and no one resists the police. Then a new gang appears that go one better. They dress as police and steal from the crooks. This upset's the natural order of the police/criminal relationship and the police and the crooks join forces to catch the IPOs (Impersonating Police Officers), including an armored car robbery in which the police must help the gangs to set a trap.
麦克（斯蒂芬·多尔夫 Stephen Dorff 饰）是一名心怀大志的警探，最近，一宗连环杀人案件吸引了他的注意，已经有四人成为了残酷凶手刀下的猎物。在搭档泰瑞（娜塔莎· 麦克艾霍恩 Natascha McElhone 饰）的帮助下，麦克开始了对案件的调查。 随着调查的深入，一个惊悚的网站逐渐浮出水面，四名受害者在死前48小时都登陆过这个网站，在一个代号为“黑寡妇”的神秘女人的支配下，他们似乎用生命做赌注加入了一场游戏。为了查明真相，麦克决定以身试险，他登入了网站，与此同时，他生命的最后48小时开始了倒数，麦克必须在此时限内将真凶绳之于法，否则，他的结局会和先前的那四个人一模一样。
当求生变成猎杀，谁会是最终的幸存者？ 两名同事在飞机失事后，成为唯一幸存者并困在荒岛上。他们必须放下过往恩怨、共同求生，但最终演变成一场不安又黑色幽默的意志与智慧对决……
Two teenage girls, Yin Jia and Tong Tong, live together in this colour-drenched vision of Changsha, China. When Tong Tong drifts away and falls in with a drug dealer, Yin Jia's love for her means she'll risk everything to keep Tong Tong by her side.
