The new semester of high school begins, and freshman He Jia meets a new friend, Qiu Weichen, by chance. The two became good friends and spent three years of high school together. But in the 100 days before the college entrance examination, He Jia did something that made him regretful, and even caused the two to have no contact for nine years. And what will happen when we meet again after many years?
Concept: There will eventually be a gap in the broken mirror and the reunion