Yang Ling, a modern office worker, is transported to the Da Feng Dynasty, where he becomes Xu Qi An, a "copper gong" night watchman. Using his modern knowledge and reasoning, he solves bizarre cases, earning the title of top investigator. In a world of magic, monsters, and court intrigue, he and his companions fight against dark forces to protect justice and the people of Da Feng.
(Source: MyDramaList)
~~ Adapted from the web novel "Da Feng Da Geng Ren" (大奉打更人) by Mai Bao Xiao Lang Jun (卖报小郎君).
