It focuses on the tense emotional entanglement between Xia Weiyang, chairman of the student union of Mingde High School, and Wang Guo, a transfer student. When Wang Guo recreates the forbidden mural "Prisoner" by Lin Ran, an art student who committed suicide thirty years ago, in the rumored 303 Art Room, top student Xia Weiyang is ordered to monitor this "problem student", but unexpectedly uncovers the cruel truth about the entanglement between two generations. As the power game on campus, the struggle for artistic freedom and the secret romance unfold, the two souls trapped in the rules and rebellion gradually get closer. In the wave of hatred and redemption, they jointly fight against the shackles left by their parents.
