After they were assigned to different classes in their first year of high school, Jiang Tang and Fu Zhiyao became classmates. Later, they became good friends. Even after graduation, they were still high school classmates. And, little by little, they became old classmates who had lost touch. Ten years later, after much thought, Jiang Tang finally came back. He recognized her by instinct. But in so many moments in the past, in so many moments when you needed me, I was never there. Still, two people who work hard to live their lives deserve to have time treat them kindly.