He is Pei Jing, the youngest and cold-faced Prime Minister of the Jing Dynasty, and she is Su Wanqing, the most dandy girl in the capital. A hangover turns everything upside down! When he turned into her, he was forced to learn to be coquettish and cute; when she turned into him, she had to sit in court but unexpectedly gained the favor of a noble lady in the capital; when Su Wanqing (in Pei Shen) solved the case with intuition and shocked the officials, the emperor became interested in "him". In their respective "dislocated lives", the two gradually learned to rely on and appreciate each other, and their hazy feelings grew quietly like the spring breeze. But just when they thought love was budding, the secret of soul exchange was discovered by a third party! Who is behind this? Is this special bond a salvation or a bigger trap?