At 40, Wu is a shadow of her former self. Unemployed, unmotivated and unsuccessful, Wu fails over and over to land a job. After yet another failed interview, she bumps into an adult Zheng. Ashamed, she takes pains to avoid him. Another 2589 days pass. It’s been 14 years since Zheng first visited the track hoping to meet Wu again. Despite trying to forget her, Zheng cannot and thus returns to the track, this time with a bouquet of roses. Unknown to him, Wu is also present to fulfill the promise she made to Zheng 21 years ago. She sees him, no longer as a teenage boy, but as a handsome, successful man who is still waiting for his lost love. Afraid at first, Wu hesitates, but finally, she makes up her mind...