Yun Zhiyi, a top modern surgeon, transmigrates in an instant and becomes an abandoned consort in the Cold Palace. With her extraordinary medical skills and modern psychology, which lets her see into people’s hearts, she not only finds a way to thrive amid the desperate dangers of the imperial harem, but also stumbles upon the secret hidden deep in the heart of the tyrant Yin Xuanji: he has been poisoned by a rare toxin, and she is the only person in the world who can cure him. From then on, she becomes the “medicine” he cannot give up, and the only prey he wants to keep captive in the palm of his hand.
