Rong Qing, a modern forensic doctor, accidentally traveled through time and became the abandoned concubine of a prince who was sentenced to death; the original owner was framed for adultery, the emperor gave him poisonous wine, and his body was dumped in a mass grave after his death; when he woke up, he found that he was seriously injured and on the verge of death, and Prince Li Han climbed over the wall to deliver antidotes and medicine for his injuries; Qing used forensic knowledge to verify the original owner's trauma before death and discovered the conspiracy; she faked her death and escaped, using a new identity to sneak into the Prince's Mansion as a maid; Li Han assisted her in the secret investigation and discovered that the Prince's concubine and the noble concubine had teamed up to frame the plot; Rong Qing was expelled from the Prince's Mansion. Gradually, the key evidence of buying witnesses was found, but was hunted by assassins; Li Han took many risks to rescue her, and the relationship between the two sprouted in life and death; Rong Qing designed to expose the internal strife in the prince's palace, and the imperial concubine counterattacked and forced her into a desperate situation; she was forced to reveal her identity She revealed her identity and confronted the prince, using modern logic and ancient laws to reverse the situation; Prince Li Han secretly negotiated terms with the emperor to protect her; in the end, the truth was revealed, the prince was deposed, Rong cleared his wrongdoing and married Li Han, but the shadow of imperial power still lingered
