Li Kailing is a high school student, nicknamed “the Mambo Girl” for her gifted talent in music and dance. Kailing does not suspect anything although no one else in her family seems to have such talents. In fact, she is regarded very lucky by many, for she has a doting father, a loving mother and an adorable younger sister. Just before her twentieth birthday, Kailing discovers in great shock that she is adopted and sets out in search of her birth mother.