[Romantic enchantress who can't lie vs. The bohemian Qingshi Detective] In a hidden corner of Kyushu—Qingshi City, a small livestock trading town, bizarre murders have occurred one after another, making people panic. Cen Kuang, a Meizu girl condensed into human form, is beautiful, intelligent and innocent. She longs to integrate into human society but has the fatal flaw of not being able to lie. Therefore, she was arranged to work with the famous arrester Ye Kongshan to investigate the truth about the murder case in Qingshi City. From the Bluestone Ghost Infant Case, the Dark Yu Clan Nursery Rhyme Murder Case, the Murder Case of Hua Ruyan, the Number One Brothel, to the Purple Jade Flute Killer Case, each case is complicated, confusing, and bizarre. As the investigation deepens, Mei, Yuren, Yuren, and Heluo come into their sight one after another. The tricks, lies and conspiracies in the darkness are being exposed step by step; some unknown old truths and terrible secrets are gradually coming to light... In the process of solving the case, Cen Kuang, with the help of Ye Kongshan, successfully used his unique mind-reading skills, which attracted much attention. Unknowingly, a secret and complex emotion developed between the two...