After an unexpected car accident after graduating from college, Lin Chuxia found that he had lost contact with everyone. In desperation, she returned to Shenzhen, the city where she had been a college student, to look for her, only to find that her boyfriend Gao Zixi no longer remembered her. Lin Chuxia was reluctant to let go of her friendship in college and decided to stay in Shenzhen to save this relationship. With the help of her best friend Yuan Shengyu, she finally settled down in Shenzhen and followed her. After all the tragic and happy events with Gao Zixi, Lin Chuxia finally understood the fact that Gao Zixi had "lost his memory". In the end, will they be together?