On the streets of downtown Hong Kong, a mortgage car was hijacked by Cao Nan (played by Hu Jun), a criminal with a long history of criminal records. Senior Inspector Lu Mingzhe (played by Andy Lau) of the Crime Unit led his team to the scene and had a fierce fight with Cao Nan and his gang. Unexpectedly, at the critical moment, a car suddenly appeared and disrupted the battle. Cao Nan took the opportunity to escape, but the car...