PhD candidate in Physics Mu Cheng He (Zhang Chao) catches third year student in English Xue Tong (Li Ting Ting) cheating on an exam. When he even becomes the substitute teacher in her elective course Russian and makes her study with him after classes, Xue Tong’s hatred for him only grows. Over time, however, Xue Tong discovers Teacher Mu’s true character and comes to secretely love him.
When Li Xia (Zheng Shuang) and her best friend enroll into the arts school Qian Chuan, they meet the legendary Fu Xiao Si (Chen Xue Dong) and Lu Zhi Ang (Bai Jing Ting). Together, the group of youths officially begin their beautiful high school life. After graduation, the friends part with everyone going their separate ways, but everyone continues to fight for their dreams. However, they’re all gradually changing and thus become doubtful about the origin of their friendship. A span of 10 years makes them realize that other than memories, nothing can be eternal, but they learned to love and grow.