When Shen Xingwei, the all-around top student in her grade, runs into badminton prodigy Shang Lin at a birthday party, a story of youth and first love begins. As they spend more time together, Shang Lin comes to see her as someone unique and irreplaceable. Their feelings spark, and each new challenge only strengthens their bond. After graduating from high school, they begin their life as a couple.
He appears by her side whenever she needs help, guiding her through her troubles. Late at night, she explains competition problems to him while he quietly brushes chalk dust from her hair. When Shang Lin wins gold on the court and unhesitatingly dedicates his victory to her, the chance encounter that started it all has already become the most ardent devotion. It turns out the best kind of youth is when I fight hard on the court, and you are always the finish line I strive toward.