The tale of two half-sisters fragilely linked by wealth and family. The illegitimate, abandoned schoolgirl Fei is an unwilling Cinderella, pressured to help her spoiled, seductive older half-sister Lady Ying cash in on their father's estate. Lady Ying is planning to flee the country, and Fei is determined not to compromise her hard-earned independence, but long-simmering grudges and attractions complicate both sisters' plans.