After a little white lie about losing her virginity gets out, a clean cut high school girl (Emma Stone) sees her life paralleling Hester Prynne's in "The Scarlet Letter," which she is currently studying in school – until she decides to use the rumor mill to advance her social and financial standing.
Da Xi, a girl who is very good at cooking has only one dream: find a peerless beauty husband. One day she met a Royal Guard, Shao Yong, and fell in love at first sight, so she decides to stay near him and the only way to do it is entering the palace. Da Xi became a maid, only to find themselves fooled, so she decided to escape palace, she ran overthe wall, but she met by chance the emperor Ji Man. The emperor thought that she was an assassin, so he tried to stop her escape but instead, an accident occurred: their souls were swapped, she became him, and he became her.