Secret 2007 Ye Xiang Lun is a music student majoring in piano who just transferred to Tamkang, a school famous for its musically talented students, especially those who play piano On his first day of school, he hears a mysterious melody being played following it, he meets Lu Xiao Yu, another piano major When he asks her about the song she was playing, she tells him that it is a secret that cannot be told The two form a friendship that quickly evolves into a romantic relationship However, there is more to Xiao Yu than initially meets the eye of Ye Xiang Lun