Xu Chaoyan, the only girl on the Provincial Mathematical Olympiad team, was shocked to find out that her first love, captain Shen Yan, had plagiarized her problem-solving ideas and won the award. This also exposed the dean's "score-based" class division strategy. Using the method of proof by contradiction, she formed the "Mathematical Waste" club. In solving puzzles and fighting injustice, she regained the lost truth and love, and performed a passionate counterattack about mathematics and courage.
