A modern girl traveled through time and became an ancient palace dancer. She made a fool of herself in her first performance because of her uncoordinated body and was demoted to a laundry maid. By chance, he met the prince Li Ruilin who had also time-traveled, and recognized each other through a secret code, and discovered that his mother and concubine and many concubines in the palace were also time-travelers. After the three recognized each other, they lived a relatively comfortable life in the cold palace. Faced with the emperor's request for a wife, the protagonist reached a cooperation with Li Ruilin, became a couple in name, and lived a happy life with his mother and Li Ruilin.
