At the age of 13, Xia Tian, a sunny boy with a flamboyant personality, walked into and influenced Gu Yuxin, a girl deeply influenced by traditional culture. When some of her cognitions began to peak and she curiously began to see the world from his perspective, he suddenly cut off all contact. . . Gu Yuxin also entered university and started a new life. However, when she thought those profound memories were just a dream, when she encountered difficulties in the workplace and called out to him in her heart, he appeared in front of her. . . . .