- Jay (Jay Chou) is a high school student from a single parent family. His father (Anthony Wong) holds a post as a teacher in his school. The influence of his father passion toward music made him loves music and good at playing piano. One day, a new student, Rain (Kwai Lun Mei) came to study in his class. Rain loves playing piano as much as he does. Both of them have a great rapport and always stay together. However, Rain is a mysterious girl. She always plays a melodious song that never been heard before. Every time when Jay wishes to know more about her, she would falter and say it's a secret. After a misunderstanding happened, between them, Rain never comes to school again. With yearning and suspicions, Jay has made up his mind to find out the untold secret...
Kwai Lun Mei