getting rid of their responsibility to protect the public as the sacred duty of young Detective Leach , due to the corruption of the the unwilling Heibailiangdao sought corrupt elements mine Jin sheriff in cahoots , and do not accept offended Lei Jin a group of Lei Jin points to his whereabouts , therefore , Leach was listed as dissidents and repeated to make things difficult and exclusion . Nevertheless, Leach with his professionalism often meritorious deeds , making Lei Jin helpless . Leach master Luo deputy hate Lei Jin gang but suffer from frustration . He told Leach if the detection of a female cat burglar 20 years ago, " Black Rose " an age old cases , be proud , and down with Ray King tiger . Li Qixin contingent agreed to co-operation with the master promise to " Black Rose " brought to justice, to punish the scum of the Lei Jin a group of police . Day, Leach Interview Ritz nightclub looking for clues of the "Black Rose" , met underworld chase the " small" friends to thank four , Leach to help him escape implicated own home burns down . Xie four had to be Leach brought uncle who lives in the Arts Park for art thus became acquainted with the arts park foreman Cong tert- one , " Hubei Flying Cheng master and daughter Sarah , and other artists . For the Arts Park boss salaries cut staff salaries , forcing hidden for many years , " Black Rose " Cheng master return to prostitution , Robin Hood , the daughter of Art Park foreman Cong Uncle Fang Fang due to the favored who were opponents of the singing contest wealthy Miss Lina runs Xie four to come forward , always to protect Fang Fang , Fang Fang Xie four fell in love with . Development, and that he has no proper job fear of affecting the Fang Fang Xie four pretend not to appreciate , resulting in Fanfan against one to the United States . Leach looking for " Black Rose " for the detection , Xie four return for the year "Black ...