Yang Jia Luo (Chang Shi) has been immured in a military school for some years, and his boredom both there and at home is about to drive him to distraction, as his growing maturity and raging hormones make is teen life ever more complicated. He begins to perk up when Teacher Liu (Shi Jun) takes an interest in him. Jia Luo has also grown fascinated by the freewheeling behavior of Yo Fu Sheng (Li Xing Wen), whose father is a wealthy government official, and strikes up an acquaintance with him. However, shortly after Yo receives a humiliating scolding for carelessly causing an explosion in the chemistry lab that Teacher Liu supervises, the teacher disappears. Is political influence at work here? Now Jia Luo must decide who his real friends are, and what he can do to help them.