Have you ever loved someone and risked your life just to be with him/her? Ten years ago, poor student Lv Qinyang confessed his love to Ling Yiyao in public. The two of them stepped out of the campus and into society. In order to make her happy, he risked his life. However, the reality of money, house, marriage, etc. pushed the two further and further apart. After ten years of running, can they still remember the promise they once made in their hearts: I want us to be together? The movie is adapted from the long post "My Girlfriend Who I Have Been Running For Ten Years Is Getting Married Tomorrow".