Love's Lone Flower

Yuen Fang, a refugee originally from Shanghai, escaped the city to Taiwan following the Communists' civil war win in China in 1949. She works as a restaurant hostess, where she becomes a mentor to Juan Juan, who reminds her of her previous lover who took her affections, Wu Bao, who died during their escape to Taiwan. However, Juan Juan falls for a guest at the restaurant, a very unpleasant gangster, Ko, and they enter into a life of violence and drugs, leaving Yuen Fang to come to terms with the fact that she may not see her again.
(Source: Asianwiki)
~~ Adapted from the short story "Love's Lone Flower" (孤戀花), part of the collection "Taipei People" (臺北人) by Pai Hsien Yung (白先勇).