Graduation, I know you are sad.
What I once thought was a lifelong promise suddenly seemed like a kite with its string cut off during the year of graduation. It was floating far above you, and you couldn't catch it no matter how you flew. What's more, how can we, ordinary people, even talk about flying?
Yu Chengguo's family has better conditions, and she hopes that Su Haibei can accompany her back to the north to create a career for both of them. Su Haibei is more stubborn. He wants to stay in the south. In this big city, where fighting requires more courage than climbing Mount Everest, the two finally separated stubbornly.
A pair of lovers who once thought they would definitely get together let go of holding each other's hands in the eyes of everyone in disbelief...