Beginning in 1994, Shen Chia-yi is popular among teachers and her classmates as an outstanding student and a girl to date. Only mischievous Ko Ching-teng claims has no interest in her, despite being her classmate since junior high school. One day, the class teacher changes Ching-teng's seat, placing him in front of Chia-yi because of his crass and juvenile act of public masturbating in the back row during class.
In an English class, Chia-yi forgets to bring her textbook. Pitying her, Ching-teng slips her his book and confesses to the teacher that he did not bring the textbook. Ching-Teng then endures a long lecture and is punished. Chia-yi, moved by his behavior, prepares a practice paper for Ching-teng in return to encourage him to work...