Xia Xiaoyou, a top student in high school, failed in the college entrance examination and had to stay in Beijing and become a drifter. Here, she met Zhang Xiaowan, a girl with similar interests. Under Zhang Xiaowan's influence, she began to integrate into the life she once excluded. Xia Yiyang, a silent and mysterious boy, with the increase of contact, his veil was lifted little by little by Xia Xiaoyou.