In the prosperous yet turbulent Great Yu Dynasty, the capital Lin'an appears peaceful on the surface. Behind the scenes, however, one bizarre case after another lurks like a hidden reef, constantly threatening the dynasty's tranquility.
The quick-witted and humorous young coroner Su Tianxiao has made a name for himself in forensic investigation through his extraordinary talent and tireless effort. Though he seems carefree, his mind is meticulous, and he can always spot the key to a case in the smallest details. Yan Siying, daughter of the Vice Minister of Rites, is talented, beautiful, lively, and curious. After a chance encounter with Su Tianxiao, she is drawn to his intelligence and uses her own knowledge and connections to investigate the truth alongside him. Zhao Zhenming, an experienced, upright, and kindhearted constable, takes his cases seriously and works in perfect harmony with Su Tianxiao as they strive to keep Lin'an safe.
From a bizarre murder at a wealthy merchant's home to a mysterious treasure hidden behind a missing jade pendant; from an abandoned mansion haunted by a strange curse to the theft of a precious imperial treasure; from the fog surrounding a murder at an academy to the thrills of bizarre cases in the ghost market, and from a ghost village on the outskirts of the city to strange happenings at a prince's estate and corruption in the imperial examinations... As the trio investigates, they must face cunning killers, mysterious cults, and powerful forces from the martial world, while unraveling one bewildering mystery after another. Su Tianxiao is endlessly witty, using humor to break the tension even in the most dangerous moments and letting readers enjoy the thrill of solving mysteries amid laughter. They overcome countless hardships and escape danger time and again, but will they ultimately expose every conspiracy and safeguard peace in the Great Yu Dynasty? A thrilling detective legend filled with laughter and wit begins here.