影片讲述了六小时内，一个医生——佟倩（赵薇 饰）、一个悍匪——张礼信（钟汉良 饰）、一个警察——陈伟乐（古天乐 饰），三方在“生、老、病、死”轮回不断的医院发生的惊心动魄的交锋。生死一线，自我执念引发诸多隐瞒、利用与欺骗，三人越走越偏，危机一触即发… Film tells the story of six hours, a doctor, Qian Tong (Zhao Wei), a ruthless, Zhang Lixin (Wallace ornaments), a police officer, Chen Weile (Louis Koo), third party in the "birth, old age, sickness and death" reincarnation constant hospital thrilling hand in front. The line of life and death, selfobsession caused a lot of concealment, use and deception, three people farther partial crisis triggered at any moment...... 国语HD$CNTE0MTk2OA==