Detective Tanglang (2010)

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In 1920's Shanghai, a gifted yet flippant detective solved a series of cold cases despite the city being controlled by criminal organizations. The case of an infamous mob boss' prison escape brought Detective Tang Lang and defense attorney Huang Que together. Tang Lang must find the mob boss before any harm comes to the judge who put him in prison. And, Huang Que must prove her client's innocence while he is on the run from the law.