In high school, the female protagonist An Yanran and the male protagonist Jing Zhijie were inseparable friends who could talk about anything together regardless of their gender. An Yanran was not just a friend to him. However, Jing Zhijie has an ambiguous relationship with Cheng Si, a girl from the next class. Cheng Si has a complicated family background. His parents are divorced and his parents don't want him. He lives with his grandmother. He may be a bad star. After his father left him, he got rich and his company went public. The good relationship between An Yanran and Jing Zhijie was short-lived because they met Lin Mai out of anger. Lin Xi is Lin Mai's cousin. Because she lives in a divorced family, she has been independent since she was a child. Although her family is rich, she only likes to live in a one-bedroom apartment. Because he thinks I can carve out my own world and don't like to be restricted by others. She and the heroine An Yanran are quite good best friends. And these friendships only lasted until the high school graduation ceremony, each running around in different countries and different cities.
Five years later. Yan Ran knew that Cheng Si had cancer and was not good friends with him at first, but she helped him search for Jing Zhijie in the vast sea of people. But this time I found my love, what I had lost...