Snow Flower and the Secret Fan is a 2011 historical drama film directed by Wayne Wang, based on the novel of the same name written by Lisa See.
They are isolated by their families and communicate by writing in a secret sisterly language, Nü shu (a historical practice in China in that period), on a unique Chinese fan that Snow Flower possesses.
Meanwhile, in the present day Shanghai, their descendants Sophia Liao and Nina Wei struggle with the intimacy of their own pure and intense childhood friendship.
Faye Wong was their favorite singer and their liberated dancing to the "degenerate" sounds of the cheerful refrain "la cha bor" was one of the reasons Sophia's stepmother attempted to separate them.
Reunited at long last, they must come to understand the story of the strong and close ancestral connection hidden from them in the folds of the antique white silk fan or lose one another forever in the process.