Lin Yu and Xia Xingwan meet in their first year of high school and fall for each other. In their second year, a misunderstanding drives them apart. In their third year, they watch over each other from afar but never confess their feelings. When they attend different universities, Xia Xingwan makes the first move and confesses. They persevere through a long-distance relationship and eventually marry after graduation, going from school uniforms to wedding gowns.
