In an accidental car accident, she (An Xiaochen) lost her memory and lost her memory of three years in college. As she is about to graduate in her senior year, she has forgotten the beautiful memories of her college life, the plants and trees on campus, her close roommates, and her deepest love (Zhong Yuhao). As his best friend, Zhao Zimu had been secretly in love with him for three years and confessed to him after he lost his memory. Faced with the confession of his good friend Zhao Zimu and Zhong Yuhao, whom he loved deeply in the past, how should An Xiaochen choose...