Short video blogger Su Xingwan records the city's gentleness with her lens, meeting public welfare designer Lu Wanfeng at an old community renovation site, discovering he is the stranger she rescued on a rainy night three years ago, as well as the anonymous commenter who has silently followed her for three years. From collaborating on filming to knowing and loving each other, the two face old wounds, family resistance, and project suspension together, ultimately resolving crises with sincerity and open communication, landing the project and running towards each other mutually.