Shan Cai was unhappy on her first day at the Ying De University. She didn't like her coward instructors and her rich and arrogant classmates, especially the guys who call themselves F4.

The next day, tension was developed between Shan Cai and Dao Ming Si when she scolded him about his unmanly behaviour towards her best friend, Li Chen. Because of the incident, no one from the university dared to talk to Shan Cai, who then received a ""red tag"".

Feeling upset with her current situation, Shan Cai ran towards the university's rooftop and cried with her anger. She was touched when F4's Hua Zhe Lei offered his handkerchief to her. On her way home, she bumped onto Dao Ming Si, and was warned by him to prepare for the next day's attack. Strong-headed San Chai then decided to declare war on F4 and challenged Dao Ming Si by sticking her own self-made red tag onto his forehead.

Much to her surprise, Shan Cai was almost raped by the two guys sent by Dao Ming Si to scare her. Hua Zhe Lei just came