After transmigrating, Jiang Yuan, a forensic doctor with the Hai City Criminal Investigation Unit, becomes Jiang Wansheng, the illegitimate daughter of the Right Chancellor of the Li Dynasty. She had planned to live comfortably as a spoiled wastrel, eating and waiting for death, but a string of murders in the capital draws her into a whirlpool of conspiracy.
A bride beneath the moon, murder by lamplight, an ancient corpse in the countryside... With her formidable skills, she finally peels away the layers of conspiracy and edges ever closer to the truth. Yet as she investigates, she gradually plunges into an even more mysterious and unfathomable abyss.