Crystal Liu, better known by her stage name Liu Yifei, is a Chinese-American actress, singer, and model. She has appeared multiple times on Forbes' China Celebrity 100 list and was named one of the New Four Dan actresses of China in 2009. She is widely known as "Fairy Sister" in China.
Nina, a ballerina, gets the chance to play the White Swan, Princess Odette. But she finds herself slipping into madness when Thomas, the artistic director, decides that Lily might fit the role better.
