In 1900, a white woman was murdered in Chinatown in San Francisco, and the suspect was a Chinese man. The murder caused social shock, and people demanded the closure of Chinatown.
An accidental death of the suspect leads to the entire team of the Third Division being imprisoned. Six years later, team leader Cheng Bing is released but remains consumed by the case. Over the next eleven years, he lives a normal life while secretly tracking down the killer, determined to see justice served.
General Lu Lingfeng and Detective Su Wuming uncover supernatural mysteries and hidden conspiracies threatening the empire during Emperor Xuanzong’s reign.