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公安与黑帮斗智斗勇，卧底徘徊在生死一线，警方为调查三吨毒品和巨额黑钱的来龙去脉，派女警梁彤和新警察何洋以卧底身份潜入黑帮头子桑慕麟家侦查。而势力强大的桑家也在警方安插了内鬼韩作栋，并在黑帮内部设计多个“陷阱”欲引出卧底，但每次都被梁彤和何洋化险为夷。。Consumers love - and live on - their smartphones, tablets and laptops. A cascade of new devices pours endlessly into the market, promising even better communication, non-stop entertainment and instant information. The numbers are staggering. By 2020, four billion people will have a personal computer. Five billion will own a mobile phone. But this revolution has a dark side, hid...。