In a hospital in K City, a sudden car accident caused Gao Yuan and Huo Shang, who hadn't seen each other for eight years, to meet again. Eight years ago, the dumb student Huo Shang and the smart student Gao Yuan became best friends by helping one another. They made a deal to be enrolled in the same university, but Liang Qi ended up in an accident, and after Huo Shang helped Gao Yuan and Liang Qi out, he went missing. It has been a pain in the neck for Gao Yuan as Huo Shang left without saying anything. Now, they have a chance, to re-create the relationship and clear up understatements.