In the early years of the Republic of China, a young woman with supernatural powers, a number one detective and a genius magician work together to solve cases. Wen Xiang (Gong Wanyi), a young woman with supernatural powers whose family was massacred, crosses paths with Wang Ya (Xiao Kaizhong), a skilled detective who has hit rock bottom. The two help magician Mo Xi (Yao Chi) clear his name after being embroiled in a murder case. Together, they have founded the Wenxiang Detective Agency. As they solve many bizarre cases, they also sniff out the mastermind behind the scenes.