Chasing the Dragon (2017)

In the 1960s, Hong Kong, China, was a mixed bag and chaotic. The royal police under the British rule were greedy and even colluded with the underworld to plunder people's wealth. The young detective Lei Luo (played by Andy Lau) is smug and ambitious, carefully dealing with the British and Chinese bosses, and seizing every opportunity to climb the mountain of power...