Many years ago in Tonghua Street, Su Xiao and Li Chi Oh grew up together here. They are a young couple in the eyes of adults. However, because Li Chi moved, the two had to live separately. Later, Su Xiao worked hard and was admitted to the high school in Li Chi's city. But she never thought that Li Chi already had a girlfriend, but Su Xiao deeply loved Li Chi in her heart. Su Xiao's confession was unsuccessful, and this time it was Su Xiao who chose to leave. No news.
Many years later, they met again, with another person by their side.
But no one knows that the love affair that was thought to end before it started has quietly begun...