The top modern forensic doctor Su Wan accidentally traveled through time and became Shen Qingyi, the Chongxi Princess of King Jing'an of the Dayin Dynasty. The original owner was abandoned in the palace because of the crime of "crooking" and was dying. After waking up, Su Wan relied on her forensic knowledge to change her fate: autopsy solved the case and cleared away the stigma, and her anatomical techniques shocked the government and the public; she teamed up with the "comatose" King Xiao Yan of Jing'an to trace the secrets of the royal family. From the abandoned concubine in the cold palace to the founder of the Criminal Division, she used the bones as evidence to fight against the imperial power, and used the modern concept of the rule of law to tear apart the feudal darkness. Xiao Yan went from being suspicious to being defeated, and was willing to give up the throne and change the law for her...