Ten years ago, Jian Ming confessed his love under the camphor tree, but was rejected by Xia Ying, and then transferred to another school and disappeared. Ten years passed by, and Xia Ying, who had become a senior in college, suddenly received a familiar yet unfamiliar text message in an ordinary late night - only an abrupt "good night". This message was like throwing a stone into the lake, completely breaking Xia Ying's peaceful life, forcing her to re-examine that sealed winter, that rash rejection, and her unnoticed sincerity. A story that started when I was young and ended in years later has finally been quietly continued.