The sky is blue waiting for the mist and rain, and I am waiting for you. The smoke from the kitchen smoke curls up thousands of miles across the river. A mysterious moon hairpin from the Han Dynasty, a lingering love-hate entanglement, traveling through thousands of years, just to spend the present with you. When Li Raoxuan, the "remaining fighter" of the new human race in the 21st century, was drawn by a mysterious ancient hairpin, her wandering soul came to an unknown dynasty - the Yue Qi Dynasty. From then on, the old girl transformed into the most beautiful woman in the world, playing tricks on the princes, playing with the country, power? Conspiracy? Love? In the romantic competition, who is poisoned by whose love poison? Who charmed whose love? Who has lost his heart to whom?