"My duty is to catch people who break the law" is the line in which movie?

The fuse is an action gangster film directed by Ye Weixin and co-starred by Donnie Yen, Louis Koo, Lv Liangwei, Fan Bingbing and Zou Zhaolong. The film tells the fierce confrontation between Ma Jun, undercover Watson and the gangs supervised by the Hong Kong Major Crimes Unit. The film premiered on August 3, 2007 and grossed more than 20 million in the first week.

/kloc-In Hong Kong in 0/997, the Hong Kong Major Crimes Unit targeted three Vietnamese brothers Chage, Tony and Ah Fu who grew up in the underworld. The three of them jointly owned a large number of guns and weapons, and helped Hong Kong drug dealers, led by Shan Ge, sell drugs to Vietnam. Because the police didn't have favorable evidence and couldn't catch these gangsters, the major crimes unit secretly sent Watson, a member of the major crimes unit, that is, Ma Jun placed a capable partner, Zage. Watson succeeded in becoming an undercover with his gangster-like unique personality.

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Related contents of fuse:

1, which originated from Watson's secret notification to Ma Jun by phone and SMS, was finally discovered by Tony. Watson who jumped out of the car crashed into the roadbed, and his life and death were unknown, while Zage and his mother were successfully stopped and arrested by the police.

Tony and Alfred are brothers. In order to help Chage escape, they killed four people, including Shan Ge, who was being treated in the hospital. All the witnesses and physical evidence were destroyed overnight.

Watson was sent to the hospital for treatment because of his leg injury. In the battle of the hospital, the autumn embankment that came to visit Watson was taken away by Ah Fu, leaving only the only witness, Watson. Ah Fu killed him at the risk of his life. Ma Jun fought Afu with one enemy and three enemies in the narrow elevator space, and Afu was finally killed. Ma Jun saved Hua's life. But Watson was forced to hide Ma Jun's departure because his girlfriend was taken away.

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