Lin Shuang returns to her hometown after years of working to repay her family's debts, hoping to begin a more stable chapter in her life. Through an arranged blind date, she reunites with Zhou Zheng, her former high school classmate who now teaches mathematics at their alma mater. Although she initially shows little interest in him, Zhou Zheng's quiet sincerity and steady support gradually reveal a decade-long unrequited love, leading Lin Shuang to reconsider both her feelings and her future.