In her most beautiful youth, the girl met a boy who wanted to love bravely. At the age of 18, Yu Jiaoyang, who was mocked as a "trash can" by her classmates, met Zhou Can, a transfer student who made her fall in love at first sight. She helped Zhou Can realize his dream, regarded Zhou Can as her destiny, and worked hard to get into the same city with Zhou Can to accompany him as he grew up. After entering society, work and life trivialities gradually occupied their love time. The two people's thinking and trajectory were no longer in sync. The girl's expectations gradually turned into disappointment, and the fuse of the breakup also came unexpectedly... A year later, Zhou Can and Jiaoyang met again, and all kinds of memories came to their hearts, condensing into a difficult feeling. Why did we separate when we were in love?