The relationship between Yi Chaotong and his childhood sweetheart Gu Yanming has always been very good. People around them thought that they were an inseparable couple. They had known each other since birth and knew all of each other's movements and emotions very well. At the age when love first emerged, they regarded this deep-rooted dependence as love, but reality is not a fairy tale after all. When true love appears, what will be the ending? They go round and round, and what identities will they meet when they meet.