Secret - Movie

AKA
不能說的秘密
The Secret That Cannot Be Told

Summary
The story was about high school student Ye, who studied in the school his father taught. Ye’s piano skill was above others.
On the first day of school, while walking around the piano rooms, he heard an unknown and beautiful melody, played by Lu. From then on, the two were always together.
However, Lu seemed mysterious and when Ye tried to get to know her more, she always brushed off his questions by saying that it was a secret.
There was a misunderstanding between the two of them, and subsequently Lu never came to school anymore. Ye was heartbroken.
But the more he tried to find out, he realized that things were not as they seemed.

(source: Wikipedia)

Cast
Jay Chou - Ye Xiang Lun
Kwai Lun-mei - Lu Xiao Yu
Anthony Wong - Xiang Lun’s father
Tseng Kai-xuan
Alice Tzeng - Qing Yi