Inspector Wu Luoqian (Michelle Yeoh) is quick and cynical. One day when she went to an appointment, she was surprised to see that her best friend, a London investigator, had died. It turned out that the investigator had been killed because he had mastered the film of the fake contract of the Tian Group. On the same day, the film was broken into the hotel thief scattered pain (Meng Hai), stop Lixiao (Cen Jianxun) inadvertently stolen, two people will have the film passport to the division brother de-bitter sea (Xu Ke) processing and sale. At the same time, London sent female police officer Murray (Lovello) to Hong Kong to investigate the murder of the investigator. In order to get rid of the suspicion of the murder of their own investigator, the three brothers chose to tell the police and were vengeful by fake passport buyers. The Tian Group, which has been secretly planning to take back the film, has also sent killers to track the whereabouts of the brothers. Wu Luoqian and Mei Rui's policewomen have no choice but to fight wits and bravery with others and the Tian Group.