Wen Guiyi, daughter of an imperial physician, rescues the severely wounded heir to the Prince of Ning, Xiao Yunjin, on a snowy night. But in his wound, she finds the same Western Regions golden silkworm thread as the one in her father’s medicine chest. A noble consort in the palace suddenly falls ill, the emperor goes mad, and her father is falsely accused of poisoning her. Guiyi is forced to flee. As she investigates, she discovers that the crown prince’s rebellion case from fifteen years ago is tied to an exotic fragrance called “Pillowtop Delight.” Her father, Xiao Yunjin, and even Xie Qingwu, the young master of a merchant caravan who disguises herself as a man, are all entangled in the conspiracy. As the truth bears down like an avalanche, Guiyi must use a silver hairpin in the Golden Throne Hall to uncover a shocking secret capable of overturning the dynasty...
