With final exams approaching, the star debate team faces a new challenge. A set of first-year high school exam papers has been stolen from the exam room, and the haughty queen Wang Tianlin decides to sue Xu Zelin, who ranked first in the previous round of exams. Cui Jun, a master of deduction, delivers a brilliant performance at the school court’s review session and plays a decisive role in solving the locked-room theft. As the presiding judge’s father becomes involved, the many mysteries surrounding Cui Jun gradually begin to unravel…