The Great Detective is a Chinese fantasy suspense detective film directed by Roy Chow, starring Han Geng, Yin Zheng and Zhang Huiwen, it is based on the Huo Sang Detective Stories by Cheng Xiaoqing.

[2] Principal photography took place in Prague, Czech Republic and Shanghai, China.

[1] It began filming from 2 June to 8 September 2016, with additional shooting was completed in January 2017.

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