The incredible sleep in the cellar allowed her to sleep hundreds of years ago. She was obviously not a female prince, so why was she, the prince, born as a girl? What? It turns out that all this is just a conspiracy between the queen and Concubine Mu. See how Nan Yurong, an urban white-collar worker in the 21st century, transforms into a 'male prince' to find his own happy life in the deep palace garden!