本片通过一支舞来展现了一个人的大学青春时光，女主从刚进入校园时的懵懂迷茫，再到交友、恋爱，挫折…一场大雨洗涤了女主，使她逐渐走向成熟，最后她向即将要离开的校园不舍地伸手，然而时光一去不复返，青春如梦一场。

This film shows a girl's youth in college from a dance. The heroine was a ingenuous girl when she first entered the campus. After making friends, falling in love, undergoing some setbacks…she finally grows up and becomes mature in a heavy rain. At last, she is reluctant to leave her campus, but time never comes back, and youth is like a dream.