Male: We'll get married after we graduate, and then we'll go to City C together
Woman: I will follow you wherever you go.
Today, five years later, I am standing in a strange city, a strange street,
It turns out that I still can't get used to not having you by my side.
Why did he leave without saying goodbye? What kind of phone call did she receive?
Will she finally find the heart she lost?
Perhaps the deeper the love, the harder it is to forget. What made them wait for each other for five years?