When Zhuo Yifeng was seven years old, she witnessed the death of her parents in a car accident. She suffered a huge blow and suffered from selective amnesia and forgot this experience. She was entrusted to the family of her best friend Su Zijian by her parents on their deathbed, and grew up with Su Muyun, who was two years younger than her. When she grew up, Su Muyun was a celebrity in the school, while Su Nianfeng was just a small transparent person. In the third year of high school, influenced by her good friend Le Diyin who suffered from a strange disease, Su Nianfeng, who had no goals, decided to apply for medical school. Su Muyun was against Su Nianfeng on the surface, but in fact he silently protected her and helped her realize her dream. The ideal university life unfolded as expected, but the so-called truth exposed by the school beauty Ouyang Jingxue disrupted everything, causing Su Nianfeng to misunderstand the Su family. With the help of Le Diyin and Ouyang Yu, in order to find the truth, Su Nianfeng left the Su family to live independently, but discovered Su Muyun's deep love for her. Liu Zihui, a good sister who had always had a crush on Su Muyun, also noticed Su Muyun's intentions and chose to protect their friendship. A contract solved the "truth" of the car accident that year and resolved the misunderstanding between the two families. With Su Muyun's unremitting pursuit and the help of her friends, Su Nianfeng finally let go of her worries and got together with her childhood sweetheart.