When she was in college, Chen Xiaoyu fell in love at first sight with Qu Kai, a prodigy from the Department of Finance, during a tennis match. At the same time, her good friend Jiang Xiaonai also fell in love with Qu Kai at first sight and launched a crazy pursuit of him, which became known to everyone in the school. Not long after, Qu Kai agreed to date Jiang Xiaonai. When Chen Xiaoyu learned about it, she expressed her blessing to her friend, and then she kept her feelings for Qu Kai deep in her heart and never revealed them again.
After Jiang Xiaonai and Qu Kai dated, she got the opportunity to study abroad. But the so-called double happiness suddenly happened to her. She was in a car accident and died on the spot.
Afterwards, Chen Xiaoyu decided to help her friend Jiang Xiaonai fulfill her wish and go abroad instead. But when Qu Kai found out, he misunderstood her. She insisted on going abroad despite Qu Kai's misunderstanding.
Three years later, when she returned from abroad, she met Qu Kai again, which caused great changes in her life and relationship.
The story begins on the day Chen Xiaoyu returned to China three years later. . . . .