Jay Chou's directorial debut. This is the first day Lun admitted to Tamkang Secondary School. When he walks through the campus with his classmates, a mysterious piano solo draws his attention. He follows the song and finds that an ethereal girl is playing piano in the old music room. The piano girl is Yu (Guey Lun-Mei), one of Luns classmates. The two become intimate friends and spend a lot of time together. Whats the melody you played the first day we met? asked Lun, Thats my secret. Yu whispered in his ear.